Thanks for the post Tim. When you say fragmented, do you mean that the blocks making up this file are scattered all over the filesystem or some sort of internal TSM fragmentation.
>From your earlier posts, I think that you are in a Windows shop. What OS/Filesystem >are we talking here? Regards Steve Steve Harris AIX and TSM Admin Queensland Health, Brisbane Australia >>> [EMAIL PROTECTED] 18/06/2004 1:05:21 >>> Using sequential-access File volumes with TSM seems to result in a lot of file level fragmentation. We are doing a mini-pilot with 25GB File volumes for the storage pool volumes for some nodes. These volumes end up very fragmented (some of the files are in 9000 fragments). This could have performance implications. Tivoli may be looking at this for futures? A VTL may address this. I did a quick restore test of a node as follows: 36 GB restored 219,170 objects On fragmented File Volumes: Time 34.6 minutes 17.7 MB/sec After defragmenting the file Volumes: Time 21.9 minutes 27.9 MB/sec It was not a controlled test as it was run on a production server so there could have been other things affecting the two tests. TSM Server 5.2.2.4 on Windows 2003 TSM Client 5.2.2.9 on Windows 2003 Tim Rushforth City of Winnipeg -----Original Message----- From: Tab Trepagnier [mailto:[EMAIL PROTECTED] Sent: June 16, 2004 8:48 AM To: [EMAIL PROTECTED] Subject: Re: Tier'ed library Milton, Thanks for the info. I briefly looked at Sepaton, but I had no idea they were that inexpensive. I will probably give them a second look. But one thing that I'm struggling with is "why a VTL?" Between random-access DISK volumes and sequential-access FILE volumes what does a VTL buy me that I couldn't implement using those two volume types in TSM? Thanks. Tab Trepagnier TSM Administrator Laitram, L.L.C. *********************************************************************************** This email, including any attachments sent with it, is confidential and for the sole use of the intended recipient(s). This confidentiality is not waived or lost, if you receive it and you are not the intended recipient(s), or if it is transmitted/received in error. Any unauthorised use, alteration, disclosure, distribution or review of this email is prohibited. It may be subject to a statutory duty of confidentiality if it relates to health service matters. If you are not the intended recipient(s), or if you have received this email in error, you are asked to immediately notify the sender by telephone or by return email. You should also delete this email and destroy any hard copies produced. ***********************************************************************************
