Veeam hard disk read slow. Jan 1, 2006 · The storage can be local disks, directly attached disk based storage (such as USB hard drive), or a iSCSI/FC SAN LUN in case the server is connected into the SAN fabric. 2. Network utilization of the Backup proxy is utalised near 4% (no May 27, 2014 · Out of 100% size of the VM, during the day only 5-10% of it is read, the OS is almost always loaded in memory, so the performances are good. However if you using the write back cached mode - in case of power outage the data stored at the moment in cache would be completely loss so using UPS is highly recommended. When I run a backup copy job to create the seed from existing backups on disk, copying some VMs is VERY slow (taking 24-48hrs) while others are fast. conf Sep 1, 2023 · For entire computer backup, you can instruct Veeam Agent for Microsoft Windows to back up data of all external drives the are currently connected to the Veeam Agent computer. I've got a call logged with Veeam (00475050) but haven't really had any success or even any indication as to the problem. Mar 3, 2020 · 21. Its a ESXi 5. Well, even if that was the case - on occasion we see that the individual disk is processed at 50MB/s, most of the time it is around 12-16MB/s for reverse incremental, but last night's was crawling at 3-4MB/s. 0 VLAN) and I replicate to the DR ESXi Dec 12, 2023 · The hardened repository supports the following features: Immutability: when you add a hardened repository, you specify the time period while backup files must be immutable. Feb 4, 2014 · Re: Backup Incredible Slow - Processing at about 200kb/s. May 25, 2021 · 23:39:17 Using backup proxy xxxx for retrieving Hard disk 1 data from storage snapshot on vdesvc01 00:07 23:39:25 Hard disk 1 (50 GB) 338 MB read at 131 MB/s [CBT] 00:08 23:39:42 Using backup proxy xxxx for retrieving Hard disk 2 data from storage snapshot on vdesvc01 02:15 23:41:59 Hard disk 2 (30 GB) 512 MB read at 146 MB/s [CBT] 00:07 23:42: Mar 18, 2011 · Where it seems to hang is the 2. 4 Feb 25, 2021 · When I run a replication task or quick migration, the speed maxes at 110MB/s with Bottleneck=Target 99%. Feb 20, 2012 · At a minimum, create a VM for Veeam and connect your external drive to the Veeam VM. A different disk is used each day and the result is the same. Apr 9, 2017 · It was so slow that the initial backup would often fail (after running for 2-3 days just to backup the initial ~6TB to an GbE connected Synology). Mar 18, 2014 · I have got very slow backupspeed of max. As you can see first disk is not in Read-only state, second one is. 0 Update 3 host running on a i7 system with 64GB, SSD and HD storage and a 1G NIC. novelli wrote:Dell PowerEdge R730xd with twelve 4TB NLSAS hard disk and 10 Gbit networking is a killer Veeam Backup server With SATA disks the SureBackup jobs are a little bit slow and sometimes they fail starting Exchange or SQL Servers VM (I'm talking about the Dell PowerEdge R720xd with previous generation of SAS controller) Cheers Nov 13, 2023 · To use rotated drives, you must enable the This repository is backed by rotated hard drives option in the advanced settings of the backup repository. by TMC_MG » Sun Jun 26, 2022 10:06 am. And Veeam marks always the source as bottleneck. Mar 10, 2015 · Remember: Update the path in the command to have the tool test the location where the backups are stored. 5 terabytes in size) and the other is a file server (around 3. We also see that there is a IO of 11 MB/s, which is also very little BUT we see 100 % disk usage (blue rectangle). Backup: Veeam 9. It would be good to have the option to reduce the load on the SAN (e. Any storage directly attached to, or mounted on a Linux server (x86 and x64 of all major distributions are supported, must have bash shell and SSH Perl installed). 5x). Failed to download disk. Joined: Wed Mar 24, 2010 5:47 pm. That will only use up 60 GB or so of your datastore. by larry » Thu May 19, 2016 7:59 pm. 0 TB): 188. Jan 19, 2016 · Re: Slow Backup Speed (7-30 MB/s) by silbro » Wed Jan 20, 2016 10:34 am. In both cases as well the bottle neck is the source. Joined: Wed Oct 27, 2021 12:10 pm. Our first replication job was a 2. 5 U4 installed on Windows Server 2019. The backups run in the evening so there won't be user activity on the server. Here an example: 16. Mar 23, 2017 · Amazingly slow inital replication. An active full rolls at 80-105MB/s. When we can expect Veeam will leverage this Mar 21, 2022 · Re: Feature Request: Throttle disk read-rate of proxy. Finally run attributes disk to show settings of selected disk. 0 TB) 438. Here the information: 1) I use the Veeam Backup Server as a proxy (Under Backup Infrastructure -> Backup Proxies -> I have, Name: VMware Backup Proxy, Type:VMware, Host:This server) 2) The proxy is connected with 2*1GB/s (LACP) to the switch Feb 17, 2015 · If we use the same I/O profile, with 512KB for both the stripe size and the Veeam block size, in an 8-disks storage array we have: Raid5: bandwidth (MiB/s) 60,76. 50MB/sec, running on a 10gbit network. 6GB restored at 349KB/s [nbd] 157:xx:xx ”. 0B read at 0 KB/s [CBT]" I've got an issue at the moment where backup jobs are taking a longt time to begin processing - they get to the "Hard disk 1 (0. The managment Network (which is used for veeambackups, if I am right) of the VMWARE ESXI 6. 1420 running on an i5 system with 16GB, with two 1G NICs, NIC1 connects to the lab network with the ESXi server, NIC2 connects to the main Mar 31, 2018 · VBR11 : Extremely slow recovery. Here’s a summary: 2 ESX 5. bin) and state of VM devices (. Dec 22, 2011 · Set up BackupJob and now when first Job is Running Processing rate is extremely slow (11MB/s). The final stats show data processed 1. throttling read rate through veeam) and stretch the backup time to 8-10 Hours. This only happens in VEEAM. by BackupTest90 » Wed Jul 29, 2020 5:35 pm. Veeam Server is a VM. I would expect a performance drop, but it would May 13, 2021 · Re: V11 + ESXi 7. Finish working with the wizard. During this period, backup files stored in this repository cannot be modified or deleted. 98 / 99 means relatively for sure that the server hardware is too slow. The other disks continue having only their changed data read. And v6 is giving a 99% source bottleneck. The LUN's assigned to the ESX Hosts are also assigned to the Backup Proxy. Not a lot of small files like a File Server could serve. Our recovery times seem to get stuck at 27MB/s. We are restoring to a 16 disk array (iSCSI connection to vSphere, VMFS, 10GbE). • Any storage directly attached to, or mounted on a Linux server (x86 and x64 of all major distributions are supported, must have SSH and Perl installed). 5 hosts (a file server and Exchange server on one, an SQL server and the Veeam VM on the other) Production storage is a Synology DS1513+ with four WD Red drives configured in RAID 10. by beistrich » Tue Feb 04, 2014 3:02 pm. Processing speed 196MB/s. Jan 10, 2024 · To configure a Linux backup repository for work with Fast Clone, perform the following steps: Format the disk where backups will be stored using the following XFS volume format string: mkfs. Since 1 Mb/s is quite slow, I'd recommend to contact our support team and to ask our engineers to look for some hints Jan 6, 2023 · Replica Stuck Reading Hard Disk (0KB) by jimerb » Fri Jan 06, 2023 2:24 pm. Had same issue, graph looked the same with gaps, speeds would drop to 1 mb or zero. the job starts and assigns the proxys but then waits for up to 12 min doing nothing before the actual replication of data starts. by IBM FLASYSTEM NVME Array, on 16Gbit SAN Switches. The whole Backup finishes in 3 or 4 hours. I suggest to check outside Veeam with disk (e. Backup settings are daily with 30 restore points, backup mode is Incremental. Mar 20, 2019 · Re: SAN Restore Performance. Select a VM. diskspd) and network speed test software (e. In general VDDK libraries which available in Vmware will get merged with Veeam software. I have to reboot the server to get it to clear. VP, Product Management. May 12, 2015 · 1. Single-use credentials: credentials that are used only once to deploy Veeam Data Feb 12, 2013 · Re: Reverse Incremental read/write operation details. Dec 8, 2014 · Restore from StoreOnce is slow means a speed of 8 to 12 MBbs. Obviously, there’s a tradeoff in terms of disk space. The Veeam application should be running in a VM, but the destination storage can be your external drive, NAS, etc. I have Veeam Backup & Replication 9. 0B) 0. 5 u4. This applies to all VMs on the source server. Full backups of 20+TB takes nearly two weeks while incremental of 17GB is 12 hours. For example, in a 3 hour 17 minute run last night 3 hours 5 minutes was spent processing that single drive (1/22/2018 6:05:55 PM :: Hard disk 2 (2. Joined: Mon Mar 30, 2009 9:13 am. 27/01/2019 23:42:09 :: Queued for processing at 27/01/2019 23:42:09 27/01/2019 23:42:09 :: Required backup infrastructure resources have been Jun 16, 2012 · 1) Data read speed from source performed by proxy is too slow. If I recall correctly, I remove the disk from the VM, and then add it back as an existing disk, and once it’s showing correctly, then Veeam can grab the disk for backups. We have a 100Mbps fiber line which I know isn't the fastest but its also not slow. We have found a work around, if we move the VM that has problems (usually the SQL data disk, but no other disks are affected, weird) to another Host then we get normal performance again. As you can see almost all data on the drive is being read and correspondingly high backup times. Feb 25, 2014 · Fast then slow Backup. I've contacted support and have spoken to 3 different level 1 techs. After completing the test, combine the read and write speed from the results and divide it by 2. To restore virtual disks, use the Virtual Disk Restore wizard. 0u1d (soon to be updated to U2)-----ReFS seems to be quite a bit slower than NTFS. ) I've did an active full of two VMs and the result below: Jun 19, 2014 · I have a small virtual setup which I’m backing up using Veeam B&R 7. xfs -b size=4096 -m reflink=1,crc=1 /dev/sda1. This is a Full VM restoration job and Sep 4, 2012 · The read speed will depend on change blocks placement: the more random they are, the slower the changed blocks will be read from source storage. I find backups are at a fast 93MB/s, but restores are slow at 3MB/s. 3 GB read at 67 MB/s [CBT] This is only slightly faster than I expected and not really persuading me to stop using 'Storage Efficiency' on NetApp volumes. This seems a bit extreme to me. Hard disk 1 (50. For every VHD/VHDX or AVHD/AVHDX file of a VM, there is a separate CTP file. To do this, you must enable the Include external USB drives option at the Backup Mode step of the New Backup Job wizard. Harvey is correct - backup copy is not just a simple file copy, it is a synthetic activity that randomly reads data blocks from the source backup chain. Suggest 1. Those two lines up there tell me that a the Copy Job processed the second Hard disk 20 times slower than Hard disk 1. 1 GB read at 15 MB/s [CBT] ----> 03:05:24). 0 GB) 14. g. From VBR repository side – check your network throttling rules and make sure that you have at least one free task assigned to the repository while performing a recovery. 2020 01:01:53 :: Hard disk 1 (147,3 GB) 5,7 GB read at 84 MB/s 21. This is still far less then I would expect. Assuming you are using a gigabit connection on the first host, your connection from the second host (slow one) to the SAN may not be using gigabit connection, rather 100mbit. In our environment we have dual 40 Gbe to the switch and 10Gbe to our repo and multiple sans. This task reads the entire source VM from disk in order to verify the integrity of the VM data, prior to failing back to it. 0 B) 0. 5 host with local storage (6 disks with RAID 5) Write Cache enabled on RAID Adapter. Feb 12, 2024 · These files are used by the Veeam CBT driver to keep track of changed data blocks. We have several Windows Server VMs connected to the 10Gbps network and can transfer files between them at 700MB/s. Jan 25, 2024 · The data read and write speed is controlled with the Limit read and write data rates to <N> MB/s option that you can enable in backup repository settings. The backup log looks something like this (for each VM): Mar 17, 2021 · Re: Backups suddenly very slow. g "Restoring Hard disk 4 (90 GB) : 58,9 GB restored at 70 MB/s [san]" and "SAN" means, all prerequesites fullfills (Thick Disk, Proxy Access to VMDKs,. 3PAR and Veeam Backup server is zoned, I can see all LUNs on the Aug 1, 2013 · this VM is 2. 4TB, and transferred 951GB (1. 0, plenty of proxies, and 10GB network. Thats 16 hours! This is blowing our backup window and causes backup-replication scheduling conflicts. 2. Jun 2, 2020 · Re: Backup copy job is slow. by foggy » Thu Jun 11, 2020 10:04 pm. Oct 10, 2011 · Slow transfer to cloud provider. Since I need to back up the entire VM and run pre/post job scripts, I created a B&R managed agent job for it. I recommend to read this post carefully (5 minutes). There are no issues (that I'm aware of) with the regular backup job, it's been running successfully for months and Aug 28, 2015 · Running into a very strange issue using backup copy jobs to create replication seed files that contain VBK/VBM. 0 GB) 24. 2GB File from the VM to the physical backupserver 1 get a datarate of 1,2GB/sec. On the server that backs up ok, the read rate is between 70 - 80MB/s, on the server that is having issues, the read rate is 74KB/s! Nov 18, 2013 · The problem we have however is that a replication done using CBT is slower than doing a full copy, and slower than a replication without CBT enabled. surfingoncloud. From your performance numbers it seems you're using NBD transport for the target host, and NBD always uses the management network which is 100 Mb in your case. 1U1 server, Veeam (located on a different physical server - eg using Network Backup) is processing and reading the entire drive capacity of the source VMs. Agent failed to process method {DataTransfer. Today i have tested a Replication on a new Server with Veeam B&R 11. My Enviroment: Components: Backup Storage: StoreOnce 6500 (v3. I have a VM with a 16TB, independent disk. iperf) Jun 27, 2014 · The operation that takes the most time is the Hard Disk backup [CBT], this is the same for the Esxi host which backs up ok, and the one that doesn't. Hi, We are getting rather low read speeds on initial replications, think singled digit MB/s eg. Liked: 2710 times. The summary shows a duration of 16:53 with processing rate of 25MB/s, but bottleneck shows N/A. For those wondering what the option "Do not reserve disk space when creating files" actually does: It sets the option "strict allocate=no" in the [global] section of /etc/samba/smbinfo. Processing VM data on the VMware backup proxy. We have a backup time window of 14 Hours. This API will interact with Vmware for backup operation. For almost 2 hours. When this option is enabled, Veeam Backup & Replication recognizes the backup target as a backup repository with rotated drives and uses a specific algorithm to make sure that the backup chain Jan 20, 2012 · Veeam Community discussions and solutions for: Hard disk 2 (512,0 GB) 2,2 GB read at 12 MB/s [CBT] backups are slow after upgrade to v8. 0 GB) 0. We have similar virtual backup tool where we are utilizing multiple backup thread for single hard disk. Asynchronous read operation failed Unable to retrieve next block transmission command. I use Veeam on (1) to backup all VMs and store backup data on external HDD on (2) So my problem: I got terrible speed when I restore VM on (2). iSCSI LUNs are used to mount datastores in the ESXs Backup Oct 27, 2015 · This is the log from one of the other VMs, as you can see only a tiny amount of data to read and correspondingly small backup times. 0 B read at 0 KB/s [CBT]" and hang there for a long time before actually starting. Specify a restore reason. the software can do more than 1GByte/s . 2) The link between proxy and repository with replica metadata is too slow. This is for the Veeam backup server: 800×94 40. " so in case resolving IO issue it would be a good option to use. An external drive whose data you want to back up Jun 26, 2023 · Check prerequisites. Bottleneck source points to your source storage. Jun 7, 2013 · The problem started just under a week ago - for full backups of VMs our VMWare ESX 5. reflink=1 enables reflinking for the XFS Dec 14, 2019 · I'd like to use direct SAN Access but the backup always take long time on the step like this: "Hard disk 4 (0. It is very slow, we replicate 16VMs over a 1Gbs link to a NAS. 1090 (telling the install wizard to retain all my settings, etc. Full Name: Larry Walker. Jobs are running but near 20MB/s - also i can see thye are using the network still. May 18, 2020 · OS: Windows Server 2019 (latest patches) Storage: CSV, I-SCSI, Dell Compellent & Hitachi VSP G370. A planned failover/back When performing a failback after a "Planned Failover" operation, Veeam requires a task called "Calculating Original Signature Hard Disk" to be performed. 5 GB read at 69 MB/s [CBT] Hard disk 2 (50. 0, utilizing both backup jobs and replication jobs. Additionally, running iperf3 between the machines yields 1GB/s between them. If I run a full backup the job will show over 1000MB/s read and the repo will show the Nic at 8Gbps coming in. Mar 27, 2013 · Veeam B&R slow. 6TB virtual machine that took about 50 hours to complete (avg Sep 30, 2019 · After completely uninstalling VAW and VBR, including ALL of its sub-components (other than SQL Server) from the Server 2019 Hyper-V Host; the I/O problem reoccurred (simultaneously, 4 times on both active VMs and 3 of their VHDs spanning all 3 RAID-1 Volumes). This is because, for every processed block, Veeam needs to do two I/O operations; thus, the effective speed is half. 5GB. I have put in an extra ESXi host called ESXI5 (NOT IN Vsphere as its temporary) target to run a couple of replicas over to using the seed option. (I assume this is the fastest option for the first replica run) I have a win 7 virtual machine on the ESXI5 HOST set up as a proxy. Jun 16, 2015 · So the problem is that the Read is most of the time between 10-30MB/s. Mar 19, 2013 · The application can continue working without waiting for the data to be physically written to the hard drives. You can read the detail of a VM replication below : Code: Select all. check that corrrect PM and ACPI drivers are loaded (my experience is with Lenovo, and they are quite famous for providing bad drivers) 3. 04. 0 GB) : 8. vVOL snapshots create less impact - but it depends on the storage array. The “Transferred” count for the entire job is 14. Exception from server: The device is not ready. Jan 4, 2024 · Disk Performance Chart. Once the job will hit long sequential segment, the read speed will go up significantly for the duration of that segment. vsv) if the VM was turned on within checkpoint creation. over 200MB/s. (2) I have several ESXI server and install a lot of VMs. When I disabled the Application Aware and Guest file system indexing the speed increases a little to 6MB/sec. Liked: 4 times. -VBR 12. Feb 14, 2022 · Linux Repo - Slow Transfer. target at 79 or 65 is not really critical usually. Jul 23, 2012 · The backup files are located on a 8 disk array connected to the Veeam VM (Win 7 x64 via MS iSCSI initatior, NTFS, 10GbE). This is basically how hard drive based storage works, it does not "like" random I/O. There are no known regression in ESXi 7. We use DataCore with a mixture of 48 ssd's and 4 nvme's per node. See sample output in screenshot. Compared to restore from local disk with 140 MBbs. Aug 24, 2021 · Let snapshots exist as short as possible. 2015 00:54:46 :: Busy: Source 99% > Proxy 15% > Network 0% > Target 0% Apr 25, 2016 · (1) I install Veeam Backup & Replication on one physical PC (windows 7) the same LAN with ESXI. The replication job rans with < 1mb/s and will take for 50 GB > 24 hours. Jan 25, 2019 · Hi, We have some problems with our VMx replication with Veeam B&R 9. My issue was also a failing drive in the repository, veeam did show target was the issue. And I attach one external HDD to one VM. txt file. 7 GB restored at 69 MB/s [nbd]" I would recommend to clarify with our support team why NBD mode was selected instead of SAN as long as all requirements for SAN mode are met. 3 GB restored at 84 MB/s [san] Using proxy VMware Backup Proxy for restoring disk Hard disk 4. 0 B read at 0 KB/s [CBT]" then after took long time on this step for each disk, the backup finish successfully with processing rate between 50 MB/s and 90 MB/s. Veeam Backup & Replication processes VM data in cycles. Consider that: size=4096 sets file system block size to 4096 bytes. Average Read speed: 204 MB/s. 5 GB restored at 92 MB/s [san] These results are much better than the 25-40MB/s I was getting when using thin disks and nbd mode when doing a restore. This is a completely different I/O pattern than what happens when the VM is executed. But again, remember to carefully evaluate these configurations options when you design a new SQL sever involves high iops so the host drives may already Been under load when the vm disks are mounted into the veeam proxy to read. I am replicating locally. Apr 3, 2023 · I’m evaluating Veeam in my lab. 4TB vmware datastore space, powered. Jun 6, 2021 · Veeam B&R 11 Veeam MS Agent 5 vSphere 7. Max Read speed: 227MB/s. 8 Tb data drive on the VM, 90%+ of the processing time is spent on this drive. -ESXi 7. Hi. So now when the replication runs, it is taking so long, 10hrs - 15hrs, (by looking at the statistic, it looks like the replica is reading Jul 8, 2015 · Option 2: Use Network or Virtual Appliance Transport Mode. This file contains basic information about the VM such as VM name and ID, and describes for which VHD/VHDX files changed block tracking is enabled. I have tried the replication or quick migration Jan 18, 2020 · Re: Low Speed on 10Gb Network. When I read (with HP L&TT) Data from the StoreOnce Share which includes the VEEAM Backup-Data, the speed is 160 MBbs. 2017-03-23 08:07:22 :: Hard disk 4 (100,0 GB) 14,7 GB read at 1 MB/s [CBT] This is Veeam B&R 9. It could be necessary to Apr 3, 2014 · m. gday everyone, i started a backup job of 2 servers and one begin a mail server (1. once the data replication kickes in it is very quick processing at 111MB/s its just the initial start. 4vCPU and 16 Gb Ram. 1261 P20220302 and Vmware 7. Jul 19, 2016 · If you abort the job, the metrics go back to normal. Mar 9, 2022 · Re: slow backup speed 02612135. So I did a test on a 7200 with 63*450 10K (RAID 5 5+1) One VM, with only one 60GB disk with real data Inside (to not read zeroes). When full backups are executed the max Processing Rate is 26%. investigating in statistic for the job one can see in the problematic virtual machine (with two hard disk) that one disk stay for hours at "59,9 GB read at 5 MB/sec" (Hard disk is Apr 5, 2011 · At random, our backups will become very slow. Influencer. Re: Veeam v9 Backup Performance Slow. Launch the Virtual Disk Restore wizard. Mar 17, 2016 · Re: Direct Storage Access FC - slow. The VM has a size of 2TB and as of this writing the “statistics” shows that I have still 900+ GB left with the restoration rate at 2MB/s at 56% in progress state while the “log” shows “ Restoring Hard disk 1 (2. 0 U2: extremely slow replication and restore over NBD. Specify secure restore settings. Hi Mike, yes, the protocol said e. As an example, running a backup copy job on our exchange VM is capping out at 80MB/s Oct 27, 2021 · Hi, yes I think so. SCCM Source_CM File Library being located on our file server. There are no checkpoints on the host. Select virtual hard disks to restore. Restoring Hard disk 4 (10. 5. So here's my question: What could be reasons for that? Dec 1, 2011 · The backup speed is under 1 MB/sec. In the screenshot we see a very high latency (last column) of seconds (!!!), which is too slow for the mentioned disk type, veeam agent reads the most data of all processes. The Exchange server has one os disk, and two 1,9TB data diks (1 for mailboxes and one for public folders) Both jobs runs fine. Nov 6, 2020 · Hello, I would say that this is definitely true based on this line: Code: Select all. 8 GB read at 24 MB/s 22:30 Hard disk 2 (1. May or may not have to do some wiggling of snapshots, consolidation, etc. Code: Select all. If you can assign both roles to the same server: proxy and repository for metadata, it will help to exclude the version 2 (proxy-repo link) as long as digests recalculation speed remains the same. "1/3/2020 9:16:21 PM Restoring Hard disk 1 (50 GB) : 45. 0 Build 1746018-> Everything Which is very very very slow. At least when creating the first, full backup and incrementals. 0 U2 with Hot Add transport, so this one should be as fast as before. 1. by JohnGG » Tue Dec 15, 2015 9:34 pm. 2015 00:52:16 :: Festplatte 2 (50,0 GB) 1,9 GB read at 17 MB/s [CBT] 16. 5 terabytes in size). VM has 1. Feb 16, 2017 · Try file copy to both hosts as foggy's suggestion above. Keep the snapshot chain as short as possible. High read latency on the source disk sub-system. So just database and SCCM binaries. Oct 24, 2011 · these backup has very slow performance (read at less than10 MB/sec as speed) Since a couple of day, it does not end correctly because on a machine it remains at 99%. Thank you for your answer. Every cycle includes a number of stages: Reading VM data blocks from the source. Jun 9, 2009 · I am looking at a screenshot I took when the job completed, and it looks like the stats adjusted themselves when the job ended. I cannot cancel the job either. SyncDisk}. this is a copy of the log. If a Microsoft Hyper-V Feb 1, 2012 · The SQL has one os disk and one 1,9TB data disk. Feb 17, 2017 · Hanging at "Hard Disk 1 (0. When i look at the job for the SQL server it looks like the number of read GB's is close the currently used space on the SQL server: This makes sense Dec 5, 2016 · Turned out it was a defective drive. My replica jobs hang on Hard disk 1 (0 B) 0 B read at 0 KB/s [CBT] They sit there indefinitely. ) after having it out of date for some months, and without changing anything else in my setup that I'm aware of, a full backup of my laptop which used to take perhaps in the ballpark of 1~3 hours has been going for over 15 hours and still has ~10% left to go. Below is the result of a replication using CBT: Jul 21, 2011 · We have a replication job setup to replicate from 1 host to another. Raid10: bandwidth (MiB/s) 101,27. 5, vSphere 6. Obviously, there is still something else, that lets transfer speed drop. Apr 29, 2019 · Due to this backup window is getting extended. Apr 11, 2018 · You might see much faster read speeds, e. May 27, 2021 · Asynchronous read operation failed Failed to upload disk. by Bjorn » Thu Mar 23, 2017 9:59 am. . 5 is connected to a 10Gbit Intel-nic, the Mar 3, 2016 · Re: Direct Storage Access FC - slow. This new storage should be much faster. Currently the host that the Veeam VM is running on is not on 10GbE, but I figured we could Mar 14, 2024 · Veeam Backup & Replication provides advanced statistics about the data flow efficiency and lets you identify bottlenecks in the data transmission process. My B&R Server/Proxy is in my head office (10. 6TB in size, we have copied the data of this VM to the DR site, perform a restore, once the restore has completed, we then configured it to seed. I've made sure that I have no residuals left behind. And image level backups are much less susceptible to the problem you mentioned. 4) ESXi Version: 5. Thus, what your are observing can only be caused due to the presence of a bottleneck elsewhere in your backup infrastructure. Feels like either of the following scenario seems applicable: 1. 0 Update3 (target). I just updated my free Veeam Agent to 6. 6TB, read 1. We're transitioning to backup to a cloud based service provider but it seems like our backup jobs are going slow even for WAN speeds. The Veeam proxy is somewhat limited since it "only" has 2 dual 8Gbit FC, 2 ports for each node, this test was for a single node, so 2x8GB FC. 8 TB) 158. 11. Replication was then perform and was successful. All luns are thick eager zeroed. For local USB drive, I’d check the hard disk Jan 12, 2016 · Physically, a Hyper-V checkpoint is a differencing virtual hard disk, that has a special name and avhd (x) extension and a configuration xml file with GUID name. Vitaliy S. 2 nights in a row now the replication has taken 4 hours+ to replicate locally, it gets held up for a very long time on calculating digests of the hard drive. Here the source is also 99% bottleneck. notes. Jun 14, 2021 · Select disk number you want to check possible lock by running select disk n, with n the disk number. 0 KB read at 0 KB/s. Number of already processed blocks: [39660]. Can you try a local file level backup to your SSD and then start a file level recovery. Got the very latest veeam 7 patches on. Disk usage is shown as an average for all physical disks on a machine where a backup infrastructure component runs. 1 KB. I sent logs to Veeam who said I need to look at my configuration of the Linux Repository as it appears the small file transfer rate is extremely slow. 6GB read at 8Mb/s [CBT] - 16:01:02. . The Disk chart shows the rate at which the disk is transferring data during read and write operations. Posts: 20. Nov 4, 2016 · Veeam Community discussions and solutions for: Really slow merging to cloud storage of Veeam Hard disk 1 (80. To reset this state, run attributes disk clear readonly. if possible replace drive with another one as a test. 06. The speed in "Network" mode can be decreased because of the two main reasons: 1. I have one backup job with 43 VM in a vSphere Cluster (Windows and Linux Guest OS). I've had some jobs take 15 minutes to start wheras one job has took 40 Feb 12, 2019 · Re: V11 + ESXi 7. If you'd prefer to restore the disk as Thick (lazy zeroed), performance can be improved by using the "Picky proxy to use" option in the Full VM Restore and Virtual Disk Restore wizards to select either a proxy that does not have Direct SAN capability or a proxy that has been manually May 22, 2020 · Merge oldest incremental very slow. In addition, there may be two additional files with virtual machine (VM) memory (. When it comes to backups, especially full ones, Veeam retrieves "every" block of the disk, that is 100% of it. 0. Dec 4, 2015 · Restoring Hard disk 3 (20. It seems only slow when the server has been in use - weekends it runs fine (about 30 mb/s read on VMs) but in the week this slows to 11 mb/s. Mar 9, 2023 · Usually when I see a 0B disk, it’s actually a VM issue and not a Veeam issue. Changing one disk means only the changed disk needs to be read. Feb 29, 2012 · I've seen this on a few of my BCJ's so far (seems intermittent, and not always the same BCJ affected), but I've got one running right now, where it has been sat on: Hard disk 1 (25. 1. Mar 30, 2016 · Calculating digests issue. I'm looking at one right now: Hard Disk 2 (2. When I copy a 2. To check which data processing stage is defined as "Bottleneck" according to job statistics and to focus your attention on a problematic stage, maybe run additional performance tests for such stage. Select a restore point. Posts: 27041. testing that adequate power supply is available for this drive. Jul 19, 2016 · Backup performance looks ok. Hi Hanieh, "99 % Source" means that data retrieving in the "Network" mode is the slowest data processing stage. Taskmanager shows little CPU usage. Thanks! Mehnock. by emachabert » Mon Mar 21, 2016 9:12 am 1 person likes this post. Mar 18, 2009 · SAN Backup Slow - real slow! I have configured the Backup Proxy (Physical Server) to use SAN method only for transport. 0 GB) 45. by PetrM » Sun Mar 22, 2020 9:50 pm. At this speed the entire 20TB can be read in just 1 day. 2020 01:05:24 :: Hard disk 2 (784,2 GB) 14,8 GB read at 3 MB/s Its from the statistics of a Copy Job. I have a Linux VM that I replicate hourly. Jul 31, 2020 · Re: "Read at 1 mb/s". This FAQ covers supported backup repositories. At least the graphics in the post are good to show to the guy who always forgets to delete his snapshots. Bottleneck: Target Disk read (live data, since job is running now) are ~4-5MB/s per/Harddisk. The Veeam Backup Service is aware of read and write data rate settings configured for all backup repositories in the backup infrastructure. Full Name: Christopher Navarro. Now the mailserver was fast and ran at roughly 80 mbps, now the file server has been crawling along at around 5 to 10 Jan 1, 2006 · The storage can be local disks, directly attached disk-based storage (such as USB hard drive), or a iSCSI/FC SAN LUN in case the server is connected into the SAN fabric. ci at ih vb ee zg ed gw gu sm