Re: Retro Speed
I apologize for reopening a dead thread on the list, but I just wanted to share. Running Retrospect 4.2 on a Quadra 950 with 40 MB RAM over built-in ethernet to our ASIP server, I get 13-16 MB/min. Having moved Retrospect and the tape drive over to the server* (after addressing stability concerns) and upgrading to 4.3, I get 25-40 MB/min. *PowerMac 9500/132 Using Seagate Travan tape drive (using byte-by-byte confirmation for safety) Tape drive connected to external built-in SCSI interface Initio Miles 40 MB/sec SCSI card 7200 RPM Atlas III drives Michael Scheurer wrote: on 17/8/2000 4:27 AM, Matt Barkdull wrote: Using the built in 10BaseT- 62MB/min Using an Asante 10/100 at 100 - 112MB/min. I wish I could get anywhere near this, mine tops out of about 40Mb/min even an a G4, mind you it's only a 2606 SCSI card with DDS3 drives, even with built-in SCSI on a 7300 I don't get above 40. :( In theory I should be getting 60Mb/min coming from our old NT server as I can get 1Mb/sec copying from it. -- Eric Zylstra [EMAIL PROTECTED] -- -- To subscribe:[EMAIL PROTECTED] To unsubscribe: [EMAIL PROTECTED] Archives:http://list.working-dogs.com/lists/retro-talk/ Problems?: [EMAIL PROTECTED]
Re: Retro Speed
1999, Power Mac G3/300 (blue), AIT, shared 10Base-T ethernet, 59.2 MB/min. backing up an iMac, 229 MB/min. backing up the server 2000, Power Mac G3/300, AIT, switched 10/100 ethernet, 347.6 MB/min best throughput, 207 MB/min. backing up the server Dan Knight, information systems manager [EMAIL PROTECTED] Dan, what SCSI card do you have for those? Adaptec 2930CU. I also think AIT runs faster than DLT and that our second AIT drive runs faster than our first. Dan Knight, information systems manager [EMAIL PROTECTED] Baker Book House Company http://www.bakerbooks.com 6030 East Fulton 616-676-9185 x146 Ada, Michigan 49301 fax 616-676-9573 - Macintosh: Love bug resistant, always Y2K ready -- -- To subscribe:[EMAIL PROTECTED] To unsubscribe: [EMAIL PROTECTED] Archives:http://list.working-dogs.com/lists/retro-talk/ Problems?: [EMAIL PROTECTED]
Retro Speed
Either will probably cost more than the computer is worth. Set up the 6100 as is to see where the bottleneck is. If it's the network, 10Base-T tops out at about 60-70 MB/min. througput. If you're not getting close to that (I think we averaged about 40 MB/min. This is interesting to me. I'm curious of what kind of speeds people are getting with their backups. Checking my logs from last nights backups and I was getting 62MB/min. My configuration is: PowerMac 9600/G4-450 (upgrade) 192MB RAM Cisco Switched network. Quantum DLT 7000 Using the built in 10BaseT- 62MB/min Using an Asante 10/100 at 100 - 112MB/min. I know on the 6100 I used to use the backups were around 15Mb/Min, but that was also not on a switched network that had very high traffic at night due to various backups going on. To think, I started doing backups almost 8 years ago using a Mac SE over LocalTalk and was very happy when I got 1MB/min out of them!! I remember stuffing a 10BaseT card in that Mac SE and thinking the 4-5MB/min was great! 1MB/min backing up 16GB of dataack!! Good thing at the time most computers only had a 40 or 80MB hard disk. So total backup of all the Macs would fit on a 2GB DAT tape. -- -- To subscribe:[EMAIL PROTECTED] To unsubscribe: [EMAIL PROTECTED] Archives:http://list.working-dogs.com/lists/retro-talk/ Problems?: [EMAIL PROTECTED]
Re: Retro Speed
I keep all my information in databases. It's kinda fun looking back like this. 1995, Workgroup Server 80 (Quadra 800), DAT, shared 10Base-T ethernet, best throughput 13.9 MB/min. (14.0 MB/min. backing up the server itself) 1996, Power Mac 6100/66, DAT, shared 10Base-T ethernet, 18.8 MB/min. (36.7 MB/min. backing up the server itself) 1998, Power Mac 6100/66, DAT 2, shared 10Base-T ethernet, 38.5 MB/min. backing up PCI Power Macs. 62.5 MB/min. backing up the server 1999, Power Mac G3/300 (blue), AIT, shared 10Base-T ethernet, 59.2 MB/min. backing up an iMac, 229 MB/min. backing up the server 2000, Power Mac G3/300, AIT, switched 10/100 ethernet, 347.6 MB/min best throughput, 207 MB/min. backing up the server Dan Knight, information systems manager [EMAIL PROTECTED] Baker Book House Company http://www.bakerbooks.com 6030 East Fulton 616-676-9185 x146 Ada, Michigan 49301 fax 616-676-9573 - Macintosh: Love bug resistant, always Y2K ready -- -- To subscribe:[EMAIL PROTECTED] To unsubscribe: [EMAIL PROTECTED] Archives:http://list.working-dogs.com/lists/retro-talk/ Problems?: [EMAIL PROTECTED]
Re: Retro Speed
Back up rates differ using: G4/ 400, DDS-4, shared 10Base-T Ethernet. 80 MB/min on first volume, 187 MB/min on second volume, and 93 MB/ min on third. All three volumes on server. What would cause the difference in the speed? -- From: Matt Barkdull [EMAIL PROTECTED] To: "retro-talk" [EMAIL PROTECTED] Subject: Re: Retro Speed Date: Wed, Aug 16, 2000, 3:08 PM 1999, Power Mac G3/300 (blue), AIT, shared 10Base-T ethernet, 59.2 MB/min. backing up an iMac, 229 MB/min. backing up the server 2000, Power Mac G3/300, AIT, switched 10/100 ethernet, 347.6 MB/min best throughput, 207 MB/min. backing up the server Dan Knight, information systems manager [EMAIL PROTECTED] Dan, what SCSI card do you have for those? I thought I was doing well when my local Mac backed up to DLT at 150MB/min! I'm currently using an Adaptec 2940 card. I've never seen anything above 200MB/min around here. Would like to hear what others are getting as well. Thanks! -- -- To subscribe:[EMAIL PROTECTED] To unsubscribe: [EMAIL PROTECTED] Archives:http://list.working-dogs.com/lists/retro-talk/ Problems?: [EMAIL PROTECTED] -- -- To subscribe:[EMAIL PROTECTED] To unsubscribe: [EMAIL PROTECTED] Archives:http://list.working-dogs.com/lists/retro-talk/ Problems?: [EMAIL PROTECTED]
Re: Retro Speed
on 8/16/2000 3:06 PM, Matt Barkdull at [EMAIL PROTECTED] wrote: Back up rates differ using: G4/ 400, DDS-4, shared 10Base-T Ethernet. 80 MB/min on first volume, 187 MB/min on second volume, and 93 MB/ min on third. All three volumes on server. What would cause the difference in the speed? 80 to 93 is not much, but the 187 would almost indicate that you have a fast hard drive. Are they three separate disk? If so, are they connected to SCSI card? Since the tape drive is most likely SCSI, I would guess that the drive that got 187MB/min is also SCSI and on the same card. That would account for the speed difference. Actually, the 187Mb/min drive would be on a different controller than the tape drive, and the lower speeds would be on the same controller. If the boot drive is an IDE drive and you only have one SCSI card, then the 187Mb/min is probably the boot drive. Am I right? Jon L. Gardner '89, Computer Systems Manager mailto:[EMAIL PROTECTED] Texas AM University Dept. of Food Services http://food.tamu.edu/ Tel 979.458.1839 * Fax 979.845.2157 * Hip 979.229.4323 PGP public key available at http://food.tamu.edu/pgp/jon.html -- -- To subscribe:[EMAIL PROTECTED] To unsubscribe: [EMAIL PROTECTED] Archives:http://list.working-dogs.com/lists/retro-talk/ Problems?: [EMAIL PROTECTED]
