Hi Linux TSM Sys.Admins!
None of you responded to my previous query, so I'm trying again.
We are considering to use RedHat EL 3.0 on IA32/64 platform
(rather than AIX on p-series) to host an additional I/O intensive
TSM service (to split our current service and handle half of future
growth.) We are hoping to build based upon others' experiences.
Are you already using or actively planning to use Linux (RedHat EL 3?)
to host an I/O intensive TSM service similar to any described under the
recent ADSM-L thread, "Sizing an AIX platform and tape libraries"?
If not, do you have a Linux TSM service backing up >100 clients to
disk -> tape storage? Please describe what you have and what limits
you think might apply to your set up (or reply w/ a phone# if you
would rather just talk.) Thanks for any advice you care to share!
--
Jim.Owen AT Yale DOT Edu (203.432.6693)
= = = from my previous posting = = =
We believe we are approaching the maximum that can be achieved w/
TSM: v5.2.1.3
OS: AIX 5.1 (64bit)
CPU: IBM 7025-6F1 w/ 4 * 750Mhz proc's + 3GB RAM
SAN: 1 Gb w/ EMC Symmetrix 8830
LAN: 1 Gb Ethernet
ATL: IBM 3494 w/ 6 * 3590E drives
IBM 3584 w/ 4 * 3580 LTO1 + 2 * 3580 LTO2 drives
This configuration is successfully supporting our current ITS TSM service
(see details below), but we believe we either need a major performance
boost or to split this load onto an additional host platform:
Linux, Win*, or must we remain w/ AIX for I/O performance?
to handle expected additional growth.
Which platform have you chosen (or would you choose) for similar TSM service?
Yale ITS TSM Service:
--------------------
Active Clients: 2400 <= 3d, 2500 <= 7d, 2700 <= 35days
Servers: 151
WinNT,2K* 105
Linux 20
Solaris 9
AIX 7
SQL-BT (Oracle) 3
Mac 2
TDP's: MSSQL,MSexchg: 2 + 1
[new] 2
Personals: 2549
WinNT,2K*,XP 2230
Win98,ME 26
Mac 183
Linux 50
Solaris 5
AIX,DEC*X,HPUX,IRIX: 1 ea.
[new] 51
Expected growth: +500-600 clients for several years
+20% data for existing clients/year?
TSM DB: 75.7% of 160GB
BAckup DB w/ LTO1 HCmpr. takes 2.3h
EXPIre Inv examines ~6M obj, deletes ~1M obj. in 8-9h
Disk STGpools: 600 + 180GB
Nightly Backup Period: 15:30-08:00+
Weeknight Backup Load: 500-650GB+
Thanks for any experience/insight you are willing to share with us!
--
Jim.Owen AT Yale DOT Edu (203.432.6693)
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