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Storage and Deduplication

Discuss any topic related to storage or deduplication best practices

  • 776 Topics
  • 3,673 Replies

776 Topics

S
Vaulter
Sunil RVaulter
asked in Storage and Deduplication

LTO tapes - 20 TB maximum capacity

There is a new physical tape library configured in this environment (HPE MSL G3 2024) with 2 tape HPE Ultrium 8-SCSI FC drives. The tape library was added in Commvault and few auxiliary copy jobs performed:1. With the hardware compression disabled in Commvault storage policy copy data path configuration. The size of data on the first tapes was 10 TB.2. With the hardware compression enabledin Commvault storage policy copy data path configuration. The size of data on each tapes was 20-21 TB.The backup data type is VMware backups.Our question is why Commvault is not placing more than 30 TB on each tape, considering they are LTO8 and hardware compression is enabled? This customer has another Commvault environment  , with similar backup devices and same settings, they are able to accommodate between 30 -40 TB.

2
Onno van den Berg
Commvault Certified Expert
1 month ago
M
Byte
mzatorByte
asked in Storage and Deduplication

Force commservedr storage policy tape selective copy to write monthly and yearly jobs to their own tapes

Team, in the commcell in question the commservedr aux copy schedule seems to be system created and hidden. To that point, so is the data protection schedule for the primary copy. On the tape synchronous copy, there are extended retention rules for monthly and yearly. Those jobs picked for copy are to be retained infinitely and each need to be on their own tape, with no jobs from other months on the tape in question. Typically, the way to ensure this is to go into the schedule and select the options “start new media”, “mark media full on success”. Because the commservedr storage policy schedule for the aux copy seems to be a hidden system created schedule policy I can’t enable these options. How would I do this ? Is there a commcell level registry value to make the system created aux copy schedule for the commservedr policy visible (and hopefully editable)?thank you!

2
Chris Hollis
Vaulter
1 month ago
M
Bit
MarcLBit
asked in Storage and Deduplication

Changing Retention times - Estimating capacity

I am trying to estimate the capacity I am going to need when changing the retention time on my Global Deduplication policy - Primary copy from 30 days to one year.If I look at the capacity of the storage policy now, w/ the 30-day retention period, would multiplying that by 12 give me an accurate estimate on capacity I will need to keep that primary copy for one year?  Ex - Primary copy w/30-day retention period = 300GB - changing to 365-day retention period = 3.6TB ? 

2
M
Bit
2 months ago
R
Byte
raj5725Byte
asked in Storage and Deduplication

AUX copy jobs failing with error "Error code: [62:294] error occoured to disk media, path[\\CVDisklib02\...\] cannot impersonate user.

environment is running at 11.32.23 version and we are in the process of refreshing the environment. We have 1 old media agent running backups to Network storage. we have added a new media server to environment, configured new mount paths to the same storage in Grid configuration. Backups and restores from and to this storage is working fine. We have a DR setup with the same configuration. When we are trying to run a AUX copy from the new media agent in DC to DR storage, the AUX copies are failing with this error. I am attaching the log and screen shot for referenceany urgent help will be appreciated. Going to support is taking a long time to get an answer. we are waiting for 4 days for an answer for an another issue 

2
R
Byte
15 days ago
R
Bit
Ryan WalkerBit
asked in Storage and Deduplication

Storage allocations by server

Hello Team,Is there a way to determine storage allocation per server on a primary disk copy?I’ve tried to run reports, use Command Center and I can’t seem to find any options to include particular servers and then see how much space their backups are consuming on our primary disk copy. Thanks!

2
M
Vaulter
10 days ago
S
Bit
Storage a file deletedBit
asked in Storage and Deduplication

how to restore a file deleted from a fileserver

i would like to know how to restore a file deleted from a fileserverThanks.

2
SparshGupta
Vaulter
1 month ago
C
Bit
C523Bit
asked in Storage and Deduplication

Multiple Job Failures: "Mount path does not have enough space"

We’re using Commvault v11.28.48 and have several jobs that are in a “waiting” status and sitting at 10%-20%. The reason is simple: Mount path does not have enough space.I’m new to Commvault (our backup admin left recently and I wasn’t involved in the initial config or daily use) so I may be missing something obvious, but I thought aged data would be deleted automatically. I’ve run the “Data Retention Forecast and Compliance Report” and see the various estimated aging dates, the only thing that sticks out is the last line under the Disk Media Summary:Estimated Size to Free: 9406 GB (this box is green: “prunable job / recyclable media”) Delay reason for physical space cleanup: Archive file has been queued for pruning from the DDBOur Netapp library is 24.7TB with a size on disk of 24.46TB, reserve space set to 100GB, so an extra 9TB would be great. “Enable pruning of aged data” is checked on the library.Am I correct in thinking that 9406GB is data that should be automatically removed (pru

2
C
Bit
3 months ago
PedroRocha
Byte
PedroRochaByte
asked in Storage and Deduplication

Under 30% compression/dedupe savings on Oracle Database

Hello,I'm not sure if compression/dedupe savings for this DB is fine. Actually, it seems poor… any ideas on what it could be? It's not a special DB…The online fulls are below 30% in savings. Incrementals and archive logs are above 50% in general..Regards,Pedro Rocha

2
PedroRocha
Byte
3 months ago
M
Byte
mzatorByte
asked in Storage and Deduplication

Can a StorageGRID synchronous aux copy have a vault/replica as a source copy ?

Hello Team. I have a storage policy with a snap primary which snaps a netapp a700, and a vault/replica (not a mirror) that CV orchestrates the replication between the a700 and a fas8700. There is a primary copy as well but I don’t want to use this as the source copy for the storagegrid copy; i want to use the vault copy as the source copy for the storagegrid copy. I am creating a new storagegrid synchronous aux copy and the only options to pick for source copy are primary and storagegrid.  The only configuration I can figure out that works is to have a primary copy, which copies the snap primary copy, and to choose the primary copy as the source copy for the storagegrid copy. Is this expected behavior of the program ? Is there any way to configure the program so a storagegrid copy can have as its source copy the replica/vault copy ?Thank you!

2
M
Byte
3 months ago
C
Comtech
asked in Storage and Deduplication

HyperscaleX DNS requirement

Hi Good Day!I’m planning to deploy new HSX servers. I have a question about the DNS record requirement. Pls help.Environment detail:Bond1VLAN1.bond1 (CS-Registration)  -→ This will be used for connecting to Commserve and VMware backup, DNS, and MGMT.VLAN2.bond1 (Data Protection)-→ This will be used to backup Agent-based backup. Bond2 -→ This is for the Storage Pool. DNS record not required.DNS record planning to create for the bond1 interfaces.VLAN1.bond1: hsxcsreg01.smaple.com , hsxcsreg02.smaple.com, hsxcsreg03.smaple.comVLAN2.bond1:  hsxdp01.sample.com, hsxdp02.sample.com & hsxdp03.sample.com   ? Do I need to create a DNS record for the Agent-based backup sub-interface? In this context, I doubt I can have a DNS entry for a sub-interface other than the CS registration.  Please help.

2
C
3 months ago
T
Byte
TommyByte
asked in Storage and Deduplication

Tape Library Drive Troubleshooting

Hi,I have so far replaced three drives in our DELL/EMC ML3 Tape Lib and still experiencing the same problem. Currently, there’s one valid drive that is working fine - when it comes to the other one, it is mounted and immediately unmounted after a couple of seconds - one try after another in an endless loop.According to DELL, there’s nothing in the library log that would indicate the root of the problem (the log is clean) - they send me another drive and then the case is closed until the issue rises again.I tried swapping the drives in slots but the problem is following the same drive no matter the slot. At this point, I’d like to exclude software-related cause of the issue.Currently, the number of errors associated with mounting and unmounting the drive is way over its threshold; that might be the reason why CV is ignoring the drive completely - how can I reset the counter? Is there a particular procedure I should follow when replacing a drive? I can see there’s an option ‘Mark drive a

2
T
Byte
3 months ago
T
Byte
tclawreByte
asked in Storage and Deduplication

pruning is disabled on MA

my backup storage has filled up rather quickly. I set up a blackout window for pruning after aging some of the older backups but, the SIDBPrune.log shows “12724 34c8  11/07 15:08:01 ### PRNCTLR StartPrunerThreads:4536 Not starting any pruning threads as pruning is disabled on MA” . I believe i have enabled it in every place i could find. could anyone provide me a list or point me to an article showing all the locations this could be enabled/disabled from? Thank you

2
A
Vaulter
29 days ago
J
Byte
Joan MasByte
asked in Storage and Deduplication

Move disk library to another MA

Hi all,I have my current MA which has iSCI QNAP storage disks. I want to move all data to a new MA and start using this one.How is suposed to do this about storage disks? I just want to disconnect iscsi from old and connect to the new one but I dont know how to do it at Commvault.Do I must use “share mountpath” or “move mountpath”? (no need to copy data, just present the disks at the new MA and start using it)Im a bit confused about that. Im using Comvault 11.28Thanks in advanceJoan 

2
J
Byte
17 days ago
S
Bit
sekreberBit
asked in Storage and Deduplication

How to backup VMware vvol disks

I need to figure out how to setup a subclient to backup vvol disks on our VMware environment. When I google this, it brings up everything but vvol and I am havng difficulty finding it in Commvault dicumentation. Our level is 11.28.83. Is this just the same as setting up any subclient? Or does it need a plugin to work? Any help yoou guys can give me on this is appreciated.

2
S
Bit
3 days ago
C
Bit
Caroline BelarminoBit
asked in Storage and Deduplication

data retentionforecast table in sql database

Hi guys,Could you help me? I need to find the data retention forecast table in sql database. 

2
C
Bit
2 days ago
D
Byte
dmoesByte
asked in Storage and Deduplication

Bad Tape, how to recopy jobs from synchronous copy?

Good morning,I have the following scenario:2 tape libraries A (primary) and B (secondary) 1 tape on library A went bad, we’re marking it as bad and removing it from the library How do I trigger Commvault to copy those missing jobs from the secondary library B, to a new tape on A? Best regards,Daniel

2
D
Byte
3 months ago
D
Byte
DanCByte
asked in Storage and Deduplication

DDB verification on Cloud storage

Hello   2nd Copies to Azure Cool Storage.In the context of architectural best practices for MediaAgent sizing (page #49), there's a statement that advises against enabling data verification for cloud storage libraries.https://documentation.commvault.com/2022e/expert/assets/pdf/public-cloud-architecture-guide-for-microsoft-azure11-25.pdfAs of October 2023, is this advice still considered a valid practice? Furthermore, what methods are suggested to avoid issues with corrupted data chunks in cloud storage? Does Commvault propose the practice of sealing the DDBevery 90 or 180 days for this purpose? thanks

2
D
Byte
1 month ago
E
Byte
elizabetaByte
asked in Storage and Deduplication

Tape with errors in Tape library

Hello, We have Commvault server simpana version 11.28.68. In Tape library there is error for one tape “Remove the cartridge and inspect it for damage. Retry operation with another cartridge.”, but in Commvault console I do not see any error for this tape and it is used for backup.I plan to mark that tape somehow (perhaps prevent reuse) so that it is not backed up and can be used for restore until the retention expires.Best regards,Elizabeta  

2
Satya Narayan Mohanty
Vaulter
23 days ago
D
Byte
DanCByte
asked in Storage and Deduplication

questions on DDB recync and convertddbTov5

Good day,CS: V11.16.xBefore doing a hardware refresh for the CS, we created a VM in a lab with wins2019 and imported the CS DB during SP28 installation. all works fine. However, once login to the CommCell Console, we received a message indicating that the DDB was currently undergoing maintenance and required the completion of maintenance operations such as DDB resynchronization and conversion to a transactional DDB, among others.we have 2 DDBs, and the "convertddbTov5" plan indicates that there are 2 Memdb that need to be converted to version 5. Questions:  if the DDB resynchronization will function as expected after the CS hardware refresh, as two of the DDBs are MemDBs that will need to be converted to V5 after the successful hardware refresh and DDB resynchronization. Which logs will display the DDB resynchronization status and process, does "sidbengine.log"? if the DDB resynchronization or the "convertddbTov5" operation will impose any restrictions on the ability to browse or resto

2
D
Byte
1 month ago
S
Bit
Sprint955STBit
asked in Storage and Deduplication

Delete a list of tapes

I have 2 lists of tapes in 2 libraries - let’s say 1000 tapes in each list - and they are all in scratch, and they need to be deleted from Commvault for physical destruction.Not all the tapes in scratch need to be deleted though. Only a sub-list of specific tapes.So what I need to do, is either select multiple tapes for deletion, or to import a list of tapes that can be deleted in one action.In the Java GUI, I can only see how to delete a tape one-by-one. That will take a loooong time.I have had a quick look in Command Center (I don;t use it much) and canot see a way to achieve this in there.Anyone have any ideas? Thanks

2
S
Bit
1 month ago
D
Vaulter
Daniel BrouwerVaulter
asked in Storage and Deduplication

Where can I find instructions about how to replace a Hyperscale metadisk?

I have a failed Hyperscale metadisk that needs to be replaced. How would I replace the disk?

1
Emils
Vaulter
2 years ago
R
Vaulter
Ron PottsVaulter
asked in Storage and Deduplication

How do I replace a disk following a Brick failure?

Hello!I had a failure on my hyperscale and needed to replace a disk. 

1
A
Vaulter
2 years ago
B
Vaulter
Ben CVaulter
asked in Storage and Deduplication

How do I erase spare media?

How do I delete multiple spare tape media for reuse?

1
Emils
Vaulter
2 years ago
S
Vaulter
SamwiseVaulter
asked in Storage and Deduplication

I want to reclaim disk space using the DDB space reclamation feature, but how can I see how much space can be reclaimed?

I am running low space.  I want to run disk reclamation. If I run this, how much space can I be saving?

1
Emils
Vaulter
2 years ago
Alireza B
Vaulter
Alireza BVaulter
asked in Storage and Deduplication

Backup Copy fails with error code 80:125

Just wondering why my Backup Copy fails with 80:125 Snap Job [...], Storage Policy [...] is skipped for backup copy as the backup level of job is non-full but the full job of the cycle is not yet copied to backup copy destination.

1
V
Vaulter
2 years ago

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