Warren Turkal wrote: > On Wednesday 27 September 2006 09:49, Mark Hahn wrote: >> approx size/config? > > SR1520 is a 15 disk unit. It is 3U. It takes SATA disks. As a result, it can > hold up to 11.25TB until SATA drives get bigger.
Thats 11.25TB raw. If you run with a hot spare (assuming all 750GB drives), this is 10.5TB raw. Now if you run a 14 drive RAID5, thats 9.75 TB raw. After formatting it (I recommend xfs or jfs, ext3 takes a *long* time on this box), you would have 8-9TB formatted RAID5 per shelf. Each shelf can do about 110MB/s large block sequential reads with xfs. I can get about 60-65 MB/s with ext3. > The configuration is basically put in disks and fire it up. You can then Hmmm... not quite, but close. Coraid has a console that you need to use to configure your units. They have config recipes in the manual, and they are not hard to use. Just no fancy GUI, or web page, or ... this is typing at a serial console or a keyboard. But its not hard, not archaic. > create raid sets and everything else you'd expect. You can do the config from > a connected keyboard/monitor, serial terminal, or cec (something like telnet > over ethernet). I personally use an Opengear serial terminal server for > configuration. Heh... Nice to know that someone else uses OpenGear (we resell both them and Coraid). > It runs Plan9 with no IP stack. I consider this a slight disadvantage in that > it cannot produce SNMP traps. The only way to monitor it is to send udp > syslog messages to a syslog receiver and grep info out of the collected logs. Almost... through the OpenGear, you can have it run occasional information retrieval bits. If you can script this, you can return a status. We haven't done this yet, but I do see a need for some of our customers, so we are at least exploring it. > I think it would be much cooler if it ran a TCP/IP stack on its interfaces so > that you could ssh in directly. A sufficiently clever hacker could probably > pull it off considering that they use the rc shell as their command shell. If > they had a TCP/IP stack, it would be able to send SNMP traps and even present > an http interface. It would help, but Coraid is fairly simple storage, and it focuses upon being that. It does do a nice job at being simple storage. We are biased about this, being resellers, but we have sold it with a few systems and haven't seen many complaints. Joe > > wt -- Joseph Landman, Ph.D Founder and CEO Scalable Informatics LLC, email: [EMAIL PROTECTED] web : http://www.scalableinformatics.com phone: +1 734 786 8423 fax : +1 734 786 8452 or +1 866 888 3112 cell : +1 734 612 4615 _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
