Thank you for the advice. --- Francisco Molero <[EMAIL PROTECTED]> wrote: > Hi Douglas, > In Solaris you can get better performance if you use > raw devices for DB, LOG and diskpools. > > > > My organization recently migrated a 45GB TSM 5.1.5 > > database from an old AIX platform to a Sun V880 > > running Solaris 8. The migration of the database > was > > done by using "dsmserv restore db" as the export > > failed on varios errors. A db audit was never > > performed because of the downtime involved - days, > > weeks, who knows? > > The server has 4*900MHz Sparcs, 8GB RAM, one > > functional Gb ethernet card, and 6*73 internal FC > > disks. Externally, a JBOD was used, Sun's D2, > > 12*36GB > > SCSI-3 disks. It was all configured with Disksuite > > in > > this way. /, /usr, /opt were mirrored using two of > > the > > internal disks. The other disks were configued as > > RAID > > and had filesystems that contained primary db and > > log > > volumes as well as a storage pool for Domino. The > > external array was also configured as RAID 5 and > had > > filesystems that would contain the db and log > copies > > as well as other storage pools -Backuppool, etc. > > When the system came up, performance was > incredibly > > poor and it became apparent that the bottleneck > was > > the D2 array which had problems migrating and > > backing > > up simultaneously. > > At that point or shortly thereafter, stgpool > volumes > > were spread between the internal disk and external > > disk and the the db/log copies were deleted. > > The current situation is that, after inspecting > the > > output from "q sessions", the client make contact > > with > > the server and then sits in queue for a very long > > time. Once the actual backup/restore starts, it > runs > > like greased lightning, however. Incidentally, > there > > are over 1000 desktop clients runiing 95, 98 and > XP. > > > > Any ideas, suggestions? Thank you... > > > > > > > > > > > ______________________________________________________________________ > > Post your free ad now! http://personals.yahoo.ca > > ___________________________________________________ > Yahoo! Msviles > Personaliza tu msvil con tu logo y melodma favorito > en http://moviles.yahoo.es
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