Q: buffering issue while accessing data from xsan
Hi,
While accessing files from XSAN I'm getting some delay with buffering. And the following logs are generated in CVLOG. Can any body help me to sort this issue. Is it a OS level issue or fiber channel level?
[0707 12:17:47.202715] 0xb9037000 (Debug) Cache SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] attrs now/294 min/290 max/294.
[0707 12:17:47.202735] 0xb9037000 (Debug) VOP SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] Setattr cnt/221 avg/64 min/39 max/525.
[0707 12:17:47.202747] 0xb9037000 (Debug) VOP SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] Open cnt/120 avg/43 min/15 max/511.
[0707 12:17:47.202752] 0xb9037000 (Debug) VOP SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] Close cnt/122 avg/45 min/19 max/452.
[0707 12:17:47.202757] 0xb9037000 (Debug) VOP SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] VopLookupV4 cnt/15 avg/59 min/19 max/442.
[0707 12:17:47.202761] 0xb9037000 (Debug) VOP SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] GetResyncAttr cnt/4 avg/27 min/15 max/41.
[0707 12:17:47.202766] 0xb9037000 (Debug) VOP SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] GetLinkInfo cnt/1 avg/18 min/18 max/18.
[0707 12:17:47.202774] 0xb9037000 (Debug) TKN SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] TokenRequestV3 cnt/2 avg/19 min/15 max/24.
[0707 12:17:47.202779] 0xb9037000 (Debug) TKN SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] OpenChange cnt/130 avg/15 min/3 max/32.
[0707 12:17:47.202784] 0xb9037000 (Debug) TKN SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] TokenChangeV4 cnt/221 avg/38 min/17 max/81.
[0707 12:17:47.202794] 0xb9037000 (Debug) BRL SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] SetLock cnt/36 avg/14 min/12 max/20.
[0707 12:17:47.202799] 0xb9037000 (Debug) BRL SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] ClearLock cnt/74 avg/14 min/10 max/37.
Thanks
Prasad
While accessing files from XSAN I'm getting some delay with buffering. And the following logs are generated in CVLOG. Can any body help me to sort this issue. Is it a OS level issue or fiber channel level?
[0707 12:17:47.202715] 0xb9037000 (Debug) Cache SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] attrs now/294 min/290 max/294.
[0707 12:17:47.202735] 0xb9037000 (Debug) VOP SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] Setattr cnt/221 avg/64 min/39 max/525.
[0707 12:17:47.202747] 0xb9037000 (Debug) VOP SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] Open cnt/120 avg/43 min/15 max/511.
[0707 12:17:47.202752] 0xb9037000 (Debug) VOP SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] Close cnt/122 avg/45 min/19 max/452.
[0707 12:17:47.202757] 0xb9037000 (Debug) VOP SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] VopLookupV4 cnt/15 avg/59 min/19 max/442.
[0707 12:17:47.202761] 0xb9037000 (Debug) VOP SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] GetResyncAttr cnt/4 avg/27 min/15 max/41.
[0707 12:17:47.202766] 0xb9037000 (Debug) VOP SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] GetLinkInfo cnt/1 avg/18 min/18 max/18.
[0707 12:17:47.202774] 0xb9037000 (Debug) TKN SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] TokenRequestV3 cnt/2 avg/19 min/15 max/24.
[0707 12:17:47.202779] 0xb9037000 (Debug) TKN SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] OpenChange cnt/130 avg/15 min/3 max/32.
[0707 12:17:47.202784] 0xb9037000 (Debug) TKN SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] TokenChangeV4 cnt/221 avg/38 min/17 max/81.
[0707 12:17:47.202794] 0xb9037000 (Debug) BRL SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] SetLock cnt/36 avg/14 min/12 max/20.
[0707 12:17:47.202799] 0xb9037000 (Debug) BRL SUMMARY [fork10.pvt.blrfrwl.aclnet.acl.com] ClearLock cnt/74 avg/14 min/10 max/37.
Thanks
Prasad
Xserve, Mac OS X (10.5.4), Apple raid and Promise Vtrack
Posted on Jul 8, 2010 6:01 AM