Sam, I guess that means you pull tapes from your 3583. We don't. We set the I/O drawer to storage and get the full 72 slots of capacity. The wierd part is that when I check in the cleaning tape, I can reply to the request to put the cleaning tape in the "I/O" slot and everything works OK, even though that configuration doesn't have an I/O slot. TSM / 3583 finds the cleaning tape in the slot where it's parked and checks it in normally.
I have reclamation set at 50% on all my primary tape pools; 60% for the copypool. The LTO library is collocated by node. What I find with the LTO is that some of my nodes that send data to it are Oracle servers, and Oracle table files compress very tightly. It is not unusual to see "350 GB" stored on the LTO dedicated to an Oracle server. Reclaiming at 50% means it has to move 175 GB to complete that reclamation. Takes a little while - our system achieves 16 MB/s per library because each library is on one SCSI adapter because all the server slots are filled. Good luck. Tab Trepagnier TSM Administrator Laitram Corporation Sam Schrage <[EMAIL PROTECTED]>@VM.MARIST.EDU> on 04/10/2002 11:58:04 AM Please respond to "ADSM: Dist Stor Manager" <[EMAIL PROTECTED]> Sent by: "ADSM: Dist Stor Manager" <[EMAIL PROTECTED]> To: [EMAIL PROTECTED] cc: Subject: 3583 LTO Users... I have a 3583 L72. I use the I/O door option so I only have 60 slots for tapes. Over the last year the slots have been filling and I can see, not too far in the future, all the slots will be populated and TSM will begin using the "overflow area" option. We have no 2nd/3rd shift operators, and I do most of the TSM 'work' at night. I currently have reclamation set to 65%. I question some of the policy retention numbers. but may not be able to do anything with them immediately. What reclamation percentage seems reasonable here?...dropping to 55%-60%. Change policy retention values would help some. We migrated from a 3494 with lots of tapes to a small LTO. Any suggestions will be appreciated. Sam Schrage TRW Systems 615-360-4716
