On the subject of mirroring, see Andy Raibeck's earlier posting about partial page writes....
http://msgs.adsm.org/cgi-bin/get/adsm/864.html Matt Thomas LTSB Storage Support * e-mail [EMAIL PROTECTED] -----Original Message----- From: Schoenleitner Thomas [mailto:[EMAIL PROTECTED]] Sent: 03 December 2002 14:41 To: [EMAIL PROTECTED] Subject: TSM and Hard Disk Raid Configuration Hi there! our tsm server got out of disk space and I want to reinstall the complete system, but I don't know the best configuration of the raid system. raid1, raid1E, raid5 ? where to put the database volumes logfile, system, disk storage group volumes... a lot of questions... is it really nescesarry to use copy database volumes should tsm do the mirroring of the data base volumes or hardware raid? perfomance - security? now a short description of my system: TSM Server 4.2.2.5 Windows 2000 SP3 IBM Netfinity 5500 Dual PIII 550Mhz 512MB RAM IBM ServeRaid II 4MM Tape IBM 3583-72 incl. 2 drives Harddisks now in the system: 3 x 9GB SCSI (non raid) 1 x 80GB IDE 1st SCSI disk = system (w2k, tsm) 2nd = db volumes, dblog 3rd = db copy volumes, dblog copy ide = disk storage group Harddisks available for future: 3 x 9GB SCSI 5 x 36GB SCSI (all SCSI disk hot-plugable, but there is only space for 6 disks in the system) 1 x 80GB IDE i thought 3x9gb + 3x36gb raid5 is ok, but I am not sure, because of the db copy volumes... or 2x9gb + 4x36gb raid1... does anyone has any suggestions for my problem? thanks thomas ps: what do you think about upgrading to TSM 5.1 ----------------------------------------------------------------------------------------------------------------------- This e-mail is intended only for the above addressee. It may contain privileged information. If you are not the addressee you must not copy, distribute, disclose or use any of the information in it. If you have received it in error please delete it and immediately notify the sender. evolvebank.com is a division of Lloyds TSB Bank plc. Lloyds TSB Bank plc, 71 Lombard Street, London EC3P 3BS. Registered in England, number 2065. Telephone No: 020 7626 1500 Lloyds TSB Scotland plc, Henry Duncan House, 120 George Street, Edinburgh EH2 4LH. Registered in Scotland, number 95237. Telephone No: 0131 225 4555 Lloyds TSB Bank plc and Lloyds TSB Scotland plc are regulated by the Financial Services Authority and represent only the Scottish Widows and Lloyds TSB Marketing Group for life assurance, pensions and investment business. Signatories to the Banking Codes. -----------------------------------------------------------------------------------------------------------------------
