GPFS - mmfsck error

MrsI ran a mmfsck in my GPFS File system . I ´ve received the follow messages.Does anyone have any idea about this message ?Have I to correct my FileSystem ?What is this message , about unreferenced blocks .Is it seriuos this messages ?I ran the mmfsck as "-n" option without correct .Checking "lvdb ...

Backing up a GPFS with TSM

This is the environment , I have:2xp5 servers with AIX v5.3-ML03 Servers comprise a GPFS cluster v2.3 with 4xcommon GPFS file systems. TSM client v5.3.2 will be isntalled on the servers from the fileset: tivoli.tsm.client.ba.gpfs at v5.3.2 . Reading in TSM Client v5.3 User Guide GC32-0789-05 on page ...

GPFS and TSM to create HSM Environment for PACS data

I am an IBM Business Partner and have a TSM customer who is interested in using GPFS with TSM Space Management to create an HSM environment for PACS data. We have been asked to supply references of other customers who have used GPFS with TSM SM to create a similar environment. Does IBM have such cus ...

GPFS - Flash Copy - TSM

I have this question, we are thinking about a d.r. solution for a cust in Italy.Cust currently is using gpfs 3.2, with oracle Rac.Now, what customer needs, is something like this:have gpfs disks backed-up using flash copy on another disk unit.Using a backup-node mount that gpfs fs made by disks copi ...

GPFS as TSM filedevice

I'm seeing pretty poor performance, especially for writes with TSM using a large GPFS filesystems as a filedevice.This seems linked to TSM using DIRECT_IO when opening files.The setup right now looks like this:4 x DS3400 with one expansion = 24 * 1 TB disks = 96TB diskP6 520 with 2 * 2port 8 Gbps HB ...

GPFS pooling concept and TSM policy

I am trying to understand pooling concept and TSM policy with GPFS, pls. share your input on the below mentioned questions. 1. Pool concept is within a filesystem i.e luns with different disk architecture grouped as pools within a FS.At any point of time, initiator of any I/O request is handled by a ...

Poor retrieval speed with TSM/GPFS partial file restore from LTO-5 tape

We seem to have hit a performance ceiling with Partial File Restore from FC LTO-5 tape.Tech specs:GPFS v3.4.0-5TSM 6.2.1-0HSM 6.2.2-0Linux, RH Ent 6 x86_64. 1) File is migrated and available for partial recall.Test file is 2.6 GB, however real world files are 10/100 times this.We require to read fro ...

GPFS 3.4 + TSM 6.2.2 Lanfree backup parallellism

we're trying to setup Lanfree backup of a GPFS 3.4 filesystem using TSM 6.2.2.2 storage agent on a SLES11SP1 linux cluster node to 4 tape devices (lin_tape)As a relative newcomer when it comes to TSM, I have the following questions:1) the cluster node used for backup has currently been configured wi ...

mmbackup and multiple TSM servers

I have some questions related to usage of multiple TSM servers with mmbackup.The docu Says"The mmbackup command supports backing up of GPFS file system data to multiple Tivoli Storage Manager servers. The ability to partition file backups across multiple TSM servers is particularly useful for instal ...

GPFS, Veritas Netbackup, and Access questions

Environment:AIX 5.3 ML3 or higherGPFS 3.1Veritas Netbackup v5Hitachi Storage SubsystemsMPIO Questions:Does anyone know if GPFS filesystems can be backed up using Veritas Netbackup client SW? It looks like the mmbackup command only supports backing up to TSM servers.Is NFS v4 the only supported metho ...

mount EMC BCV to do the oracle RAC database (gpfs filesystem) offline backup at non-gpfs node.

In our environment:DB Servers -- 2 x p570 running Oracle RAC 10gr2 database on AIX5300-05-05 and GPFS ver3.1, which the gpfs filesystem was created on EMC DMX2000 disks (STD => BCV). Backup Servers -- 2 x p550 running IBM TSM ver5.3.4 on AIX5300-05-05 and HACMP ver5.4.During the backup window, th ...

GPFS 3.2 HSM support and moving data to new disks

I have 2 questions 1. Will GPFS 3.2 work with TSM HSM client 5.4.x.x? This is on an AIX system.2. We are installing new SATA disks (EXP 810s) on two DS4500 and will need tomove data from EXP710s to 810s. 90% data lives on tape (HSM system) andwe will not be able to restore from tape. The new LUNs fo ...

gpfs 3.1.0.15->3.2.0.3 GPFS: 6027-510 Cannot mount;Command: err 5

Running aix 5.3 TL6, gpfs 3.1.0.15, with tsm/hsm 5.4.03 running.After upgraded to gpfs 3.2.0.3, can't mount the gpfs filesystem.cp /lpp/save.config/var/mmfs/etc/* /var/mmfs/etc; chmod 755 *check the filesystem, DMAPI is still enabled. ondr02matsm1:root@/var/mmfs/gen>cat mmfslogMon Feb 11 17:05:48 ...

GPFS backup fails

Command mmbackup always fails. Every time we find following line in TSM error log file:ANS1587W I/O error reading file attributes for: /data/lores/.snapshots. errno = 1, Operation not permittedAll files are backed up but every time we need to perform full backup instead of incremental. That consumes ...

GPFS Backup fails with nonlogged error

we have a somewhat strange error backing up out GPFS file system:freyr:~# mmbackup /dev/asgard -n gpfs.backup.conf -t fullFile existssystem(/usr/lpp/mmfs/bin/tscrsnapshot /dev/asgard .mmbuSnapshot > /dev/null) returned rc = 4352Creation of filesystem snapshot did not succeed.createBackupSnapshot ...

mmfsck taking too long to finish

After upgrading a gpfs from version 2.3 to 3.1.20 x86_64 on rhel 4.5, I started a preemptive mmfsck. It has been running for almost 20 hours now and it stays at:mmfsck cpg-gpfsChecking "cpg-gpfs"Checking inodes I inspected the nodes and there is no disk activity taking place at all. Is this normal o ...

GPFS HSM secondary pool migration session aborting

We have GPFS working with migration policy to a secondary HSM tape pool, everything configured. Now we have an issue: We chose the external script for the external pool definition that comes with GPFS as a sample:/usr/lpp/mmfs/samples/ilm/mmpolicyExec-hsm.sample and copied it on /var/mmfs/config/hsm ...

mmfsck errors

We had a problem where a gpfs filesystem suddenly went down with messages similar to this on the NSDs:Wed Aug 27 17:01:21 2008: File system eliza12 unmounted because it does not have a manager.Wed Aug 27 17:01:21 2008: Log recovery failed.Wed Aug 27 17:01:21 2008: File System eliza12 unmounted by th ...

GPFS on Windows: intermittent Access Denied when copying a large tree

When copying a large directory tree from NTFS to GPFS filesystem on Windows, I experience occasional Access Denied error on the destination side. Exploring this, I always find a directory, whose Windows ACL is empty, even with no inherited entries. So far, I have not found a way to delete such direc ...

What happens if GPFS looses access to storage array

We have a GPFS cluster with 4 file systems, each file system has 2 NSDs with a DS4700 Express incl. EXP8100 expansion(s) dual & direct attached. Metadata for 2 of the 4 file systems are on one dedicated also dual & direct attached DS4700.Unfortunately, 3 out of 5 of these DS4700 run a buggy ...

GPFS 3.3 Questions

Greetings all!I was wondering if someone from IBM could clarify some of the new features that GPFS 3.3 offers over GPFS 3.2. I see this in the changelog, which interests me:* The limit on the number of snapshots per file system has been raised from 32 to 256. * Performance enhancements have been mad ...

Where can i get GPFS for windows licence code

I need to ask for licence price at IBM, but i coudnt reach what are the licence codesThe servers will be windows 2008 standard server in a SystemX3650M2 with 2 E5530 processors (each server)In TSM the licence depend VU (Value Unit) and the value unit depends on type of cores and how manyQ1. where to ...

Image backup for GPFS systems

Is image backup for GPFS systems (3.2.1.18) supported either using TSM / Veritas Netbackup? Appreciate any advise. ...

GPFS Backup questions (mmbackup)

I would appreciate if some can answere my following questions.1.What is the recommended backup strategy to backup GPFS file system using mmbackup in TSM environment ? ( example :Weekly Full and Daily Incremental -OR- Initial full and then forever incremental etc) 2.What TSM Management class attribut ...

ccstg3 gpfs filesystem is corrupted

We lost power to one of the disk arrays and now I am unable to remount gpfs. the disks belong to ccstg3 gpfs filesystem currently look like this. #mmlsdisk ccstg3 disk driver sector failure holds holds storage name type size group metadata data status availability pool -------- ------- ----- ccstg3n ...

GPFS 3.2 Recovery I/O log failed

We lost power to one of the disk arrays and now I am unable to remount gpfs. the disks currently look like this. #mmlsdisk gpfs disk driver sector failure holds holds storagename type size group metadata data status availability pool -------- ------- ----- ------------ mpath2 nsd 512 4001 yes yes re ...

Using mmbackup and TSM to backup 300 million files

I'm working on a project where we are going to move some 200+ million small files to a new GPFS 3.3 filesystem on AIX (2 server and 2 client nodes). I've been playing around in a test environment and according to my tests, GPFS was handling 300 million files pretty good in general. Using mmbackup in ...

external pool and GPFS 3.4.0-3

I have a problem with GPFS 3.4.0-3, using external pools to premigrate files to TSM. According to the mmapplypolicy output, ILM correctly identifies one file to be premigrated (see below).However, ILM invokes the external script (wrongly) with the "MIGRATE" argument, instead of "PREMIGRATE". I'm usi ...

mmfsck failure on 3.2.1-19

I've got a 4 node setup on gpfs-3.2.1-19 that has suffered a series of kernel panics that have caused the server to crash and put the GPFS member disks into unrecovered states. An mmfsck -n -o fails with "Too many errors to continue". We take the fs completely offline and try again, but we end up wi ...

GPFS premigration and negative predictions

using gpfs 3.2.1-23 with a 1.6 PB filesystem, we are experiencing a problem since a few days. GPFS suddenly stopped choosing files to premigrate, albeit there are some (721 in one SP + 688 in another SP). You can find here below the relevant piece of mmapplypolicy output. The strange thing is that t ...

GPFS hang with combination of mmapplypolicy and mmdelsnapshot

Basically using a RHEL 5.5 setup with GPFS 3.4.0-4 if you run mmapplypolicy to shuffle some data around (aka move from fast to slow disk) then try to delete a snapshot that was in existance before the mmapplypolicy existed after a while the GPFS file system will stop responding to even a simple ls. ...

upgrade from GPFS 3.2 to 3.3/3.4, tsmigrated and mmchconfig release=LATEST

we have recently made an update of a cluster from 3.2 to a mix of 3.3/3.4. The reason why we could not update all the nodes to 3.4 is because we use a version of the TSM/HSM client which is not compatible with GPFS 3.4, i.e. the nodes which run the TSM/HSM client have been upgraded to 3.3, while all ...

GPFS External Storage Pool Interface Script

I've read up about interfacing GPFS 3.4 with an external storage pool. I understand that if you go the TSM/HSM route, HSM daemons will go to the trouble of leaving behind a stub in place of a migrated file, and will recall the migrated file automatically when needed (ie when accessed). From my limit ...

Tuning GPFS for Improved Small File Restore Performance

Does anyone reading this forum have any tuning suggestions to improve the performance of small file restores from TSM to GPFS file systems ?We are using GPFS 3.3 with TSM 6.2.2 and would like to improve the throughput when restoring large numbers of small files. We observe that small file restore pe ...

Split GPFS Backup and GPFS HSM data

We have a GPFS cluster running on SLES 11 and TSM version 6.2.3.0.On our GPFS filesystem are we running HSM to Tivoli Storage Manager (TSM).As we already know does GPFS require that TSM backup the file first then can GPFS migrate the file to TSM and create a stub file on the filesystem.My question, ...

GPFS unmount due to a single failed drive

I have a gpfs cluster with a replication factor of 2 that unmounteddue to losing a single disk in a single failure group. From myunderstanding this shouldn't happen, so I would like to get somefeedback on the way I am handling disk failures to ensure I am takingthe appropriate steps.I have only seen ...

How do I find what files GPFS thinks are open and where they are open ?

We use GPFS V3.3 with TSM for Space Management V6.2.2.2, and we use the GPFS policy engine to drive file pre-migration and migration from disk to tape.Recently TSM for Space Management has been refusing to pre-migrate a small number of files because GPFS seems to be telling it that they are still op ...

db2 backup error with tsm

We got this message in our db2diag.log file, can anyone tell me what is the cause of this?thanks for your helpMarkStarting a full database backup.2002-10-29-02.04.48.561493 Instance:arsdev Node:000PID:87950(db2med.27390.0 0) Appid:nonedatabase_utilities sqluMapVend2MediaRCWithLog Probe:1 Error in Ve ...

how to run sql scripts from tsm command line

how to run sql scripts from tsm server console command line,also where should the script file be placed in server. ...

Why DB2 archive it's DataBase logs to TSM Server so quickly ???

I have some problems while backing up my DB2 data to TSM Server.Originally , I used the db2uext2.cdisk to compile to db2uext2 , and let itarchive DB2 logs to the DB2 local server's other directory. It workednormally , and it generated less than 200 logs everyday.But when I try to archive the DB2 log ...

New Win2003 Server, TSM Server install, please help.

All, we have a Win2k TSM Server Version 5.2.2, installed and running. Is there a way to duplicate the config of this server to a new TSM Server 5.2.2 install on a Windows 2003 Server? I was thinking of some sort of configuration download on the current server, and then upload the configuration into ...

TSM on AIX installation guidelines for performance

I'm about to install a new TSM Server.I've found interesting material in the following redbooks:sg245416 and sg247379what we've planned :p55A 4ways 1.9 GHz, 16GB Ram.TSM DB on 4 HDD 15Krpm , using "tsm mirroring" TSM Log on rootvg disks, using aix mirroringTSM DB is spread onto several db files (eac ...

GPFS problem: system crashed several time a week

I have a AIX 5.3 running with GPFS (I am new on it) and it look likes the system crashed several time and don't know how to fix it, the problem should be around oracle RAC. See the errpt: If someone have on ideaThanks in advance for any help or advise.Cheers LABEL: CORE_DUMPIDENTIFIER: A63BEB70Date/ ...

GPFS question.

I have some questions regarding the restriping of a GPFS file system (version 3.1.0.9). For the sake of simplicity the cluster is consisted from only 1 node and no customization to the FS, just default settings. The GPFS was created with 2 disks in it, I suspended the second disk, and moved some dat ...

DB2 TSM backup

I've been trying to backup to TSM (z/OS) from a DB2 client (AIX).I keep getting this error and can't find a solution anywhere:db2 => backup db tsmtest use tsm SQL2071N An error occurred while accessing the shared library"/home/db2inst1/sqllib/adsm/libtadsm.a". Reason code: "1" ...

DM_EVENT_CANCEL by GPFS

Does any one know on which cases DM_EVENT_CANCEL is sent by GPFS? I am getting such events when I am actually expecting DM_EVENT_READ/WRITE on Linux x86_64. Whereas the same DM app on AIX works fine for me. ...

dm_path_to_handle in GPFS

does dm_path_to_handle fail in GPFS-DMAPI if the path contains file from other file system, say JFS2? A per XSDM does it return ENXIO? ...

Restoring a SYSBACK backup from TSM using NIM

I've been experimenting with restoring a SYSBACK backup from TSM using my NIM server and have successfully restored an AIX 5.2 ML04 system that I backed up with SYSBACK when I use exactly the same OS/Maintenance level NIM resources (lpp_spource and spot) during the restore. However, if I try to do t ...

GPFSF: rename filesystem gpfs need some help please

HAve you ever rename a gpfs filesystem if so are you able to give me the good steps?I am looking on internet for some docs in the same time.Thanks in advance for any help.I'll keep you updated, would be also useful in the future ...

GPFS information can be collected by nmon ?

Environment: HACMP V5.2 + GPFS V2.3 + Oracle 9.2.0.8 RAC When I use nmon in production environment, I/O wait always under 1 (0.1 ~0.6)even disk busy 80~100%, And I find the nmon web page, I found nmon introduction, It does not include GPFS, so nmon can’t collect GPFS I/O Data. It’s true? Or nmon ...