Re: Question about correct settings on Megaraid M5120 controller in IBM xseries with TSM

TSM version 7.1.1.something iirc reads from TSM are fast, restores are almost as fast as reading from disk with cp. I have only looked at Linux with nmon, 100% disk active but really low amounts of MB/s during backups multiple sessions don't make a difference either. On Fri, Nov 13, 2015 at 3:12

Re: Question about correct settings on Megaraid M5120 controller in IBM xseries with TSM

Stefan I forgot to ask - what version of TSM? Have you tried watching from Linux with collectl, iotop or something similar while performing storage pool writes? Are reads from storage pools also slow? Best regards, Mike , x7942 RMD IT Clien

Re: Question about correct settings on Megaraid M5120 controller in IBM xseries with TSM

>Can you provide details on the physical storage? exp2524 via Megaraid 5120 EXT3 filesystem SLES11 SP3 Yes, we tuned the sysctl.conf file I can't get to the devclass definition right now but the default DISK device class has the same issue as my FILE device class as soon as there is a storage on t

Re: Question about correct settings on Megaraid M5120 controller in IBM xseries with TSM

Stefan Can you provide details on the physical storage? What filesystem is in use? What version of Linux? Did the installer configure and tune OS parameters as indicated by TSM installation documentation? Are you allowed to share the devclass and storage pool definitions? Mike On Friday, Nov

Re: Question about correct settings on Megaraid M5120 controller in IBM xseries with TSM

Hello Stefan, check if the battery on RAID in ok!, I have exactly the situation, and found that there is no RAID battery on the controller. If there is no battery, the write cache is disabled Chavdar On Fri, Nov 13, 2015 at 12:26 PM, Stefan Folkerts wrote: > Hello all, > > We have a situation

Question about correct settings on Megaraid M5120 controller in IBM xseries with TSM

Hello all, We have a situation where one of our customers is showing very slow performance on writing to a disk or file type storage pool on disk. Writing to tape with TSM is fast. Writing a database backup to disk is fast (this writes to the same drives but it writes to the devclass definition a

Re: Lost diskpools Linux TSM server

Geert, Did you run a loadformat before the restore with all the correct volumes and did the restore of the TSM database complete without any errors? Regards, Stefan On Fri, Nov 13, 2015 at 9:22 AM, wrote: > Hi All, > > We lost hard drive which contained the diskpools, DB and LOG. We manage

Lost diskpools Linux TSM server

Hi All, We lost hard drive which contained the diskpools, DB and LOG. We managed to restored the latest database backup. When we start TSM this messages is shown: ANR7800I DSMSERV generated at 11:11:34 on Nov 8 2007. ANR7801I Subsystem process ID is 24531. ANR0900I Processing options file dsmse