Interestingly enough, the numbers Bob posted are about 6.9 MB/s for the Drobo, 7.9 MB/s for the PERC4. Do those numbers seem slow? I mean, if the Drobo is that slow, that's too bad for it. But the PERC4 UltraSCSI 320?
--Matt Ross Ephrata School District ----- Original Message ----- From: Tim Evans [mailto:tev...@sparling.com] To: NT System Admin Issues [mailto:ntsysad...@lyris.sunbelt-software.com] Sent: Wed, 09 Jun 2010 11:17:13 -0700 Subject: RE: RE: SAN Solution > Yes, thanks for taking the time to post this > > ...Tim > > > -----Original Message----- > From: Matthew W. Ross [mailto:mr...@ephrataschools.org] > Sent: Wednesday, June 09, 2010 10:37 AM > To: NT System Admin Issues > Subject: RE: RE: SAN Solution > > Thank you! That information is extremely useful. > > > --Matt Ross > Ephrata School District > > > ----- Original Message ----- > From: Bob Hartung > [mailto:bhart...@wiscoind.com] > To: NT System Admin Issues > [mailto:ntsysad...@lyris.sunbelt-software.com] > Sent: Wed, 09 Jun 2010 > 08:40:55 -0700 > Subject: RE: RE: SAN Solution > > > > Well, I can't attach SATA drives to my servers but here's the test I ran. > > > > Server: Dell PowerEdge 2650 with > > > > > > * E: Drive - internal PERC3 SCSI RAID 5 (Ultra320) E: Drive > > * F: Drive - external SCSI Drive Array attached to PERC4 SCSI RAID 5 > (Ultra > > 320) > > > > * G: Drive - Drobo Elite connected via Gigabit Ethernet > > > > > > I copied 2.1 GB from E: to F: in 4:36 or 476.9 MB/Min. > > I copied 2.1 GB from E: to G: in 5:18 or 413.9 MB/Min. > > > > > > ---------------------- > > > > Bob Hartung > > Wisco Industries, Inc. > > 736 Janesville St. > > Oregon, WI 53575 > > Tel: (608) 835-3106 x215 > > Fax: (608) 835-7399 > > e-mail: bhartung(at)wiscoind.com > > _____ > > > > From: Tim Evans [mailto:tev...@sparling.com] > > To: NT System Admin Issues [mailto:ntsysad...@lyris.sunbelt-software.com] > > Sent: Tue, 08 Jun 2010 18:13:23 -0500 > > Subject: RE: RE: SAN Solution > > > > > > > > > > How's the iSCSI performance on that unit? Compared to direct attached > SATA > > for example? > > > > > > > > > > ...Tim > > > > > > > > > > > > From: Bob Hartung [mailto:bhart...@wiscoind.com] > > Sent: Tuesday, June 08, 2010 8:09 AM > > To: NT System Admin Issues > > Subject: RE: RE: SAN Solution > > > > > > > > The Elite is bundled with WD drives, either a consumer grade or an > > enterprise. We went with the enterprise (DREL1A21-WD2002FYPS-8). You > > should be able to pick the unit up for around $6000. > > > > For connection, I'm using a stand-alone HP Procurve Gigabit switch. Each > > server has 2 nics. Each server's 2nd nic card is connected to the HP > > Procurve and setup on different subnet than the regular network uses. > > > > It took me awhile to work out the MS ISCSI initiator stuff since I'd had > > no experience with it before. > > > > And I don't know if I'd characterize it as "instead of a SAN". As far > as > > I can see, it's a SAN. > > > > ---------------------- > > > > > > Bob Hartung > > Wisco Industries, Inc. > > 736 Janesville St. > > Oregon, WI 53575 > > Tel: (608) 835-3106 x215 > > Fax: (608) 835-7399 > > e-mail: bhartung(at)wiscoind.com > > _____ > > > > > > > > From: John Aldrich [mailto:jaldr...@blueridgecarpet.com] > > To: NT System Admin Issues > [mailto:ntsysad...@lyris.sunbelt-software.com] > > Sent: Tue, 08 Jun 2010 09:01:18 -0500 > > Subject: RE: RE: SAN Solution > > > > > > Nifty. I’m assuming these are “Enterprise” SATA drives? How does it > > connect to your existing servers, and approximately how much does > something > > like that cost? That might be something I would want to look at using > > instead of a SAN. > > > > > > > > > > > > > > > > > > > > > > From: Bob Hartung [mailto:bhart...@wiscoind.com] > > Sent: Tuesday, June 08, 2010 9:42 AM > > To: NT System Admin Issues > > Subject: RE: RE: SAN Solution > > > > > > > > I'm using the Drobo Elite for backups as well. It's where I store > > workstation images I create in Acronis. It is also the disk-to-disk > storage > > I use for Arcserve server backups. > > > > I chose the somewhat more expensive Drobo Elite over a number of NAS > > alternatives for a number of reasons... > > > > * Rather than simulate MS network privaleges like most NASs do, I > > preferred being able to simply share the Drobo's space via my > existing > > servers. That way I'm using MS sharing and security. > > * It's a SAN network which segregates storage traffic from the rest > of > > the network. > > * It supplies a pool of storage that I can parcel out to any of my > > servers as conditions evolve. > > * I've got 16 TB of space. And it's all dynamically available to > each > > partition. It took me a while to get this. You make every partition > a > > 16 TB partition. That way, all partitions can use available storage > > without having to change partition sizes by destroying them and > > recreating them. > > * You can stick in any size SATA drive and it's added to the storage > > pool. Right now I have 8 2TB drives but when 3 and 4TB drives come > > out, I can swap out a 2TB drive and increase storage. Doesn't matter > > which slot you stick a drive in either. > > * Currently I'm using 2 drives for fault tolerance so if one fails, > > the RAID continues to operate with redundancy. > > > > > > > > ---------------------- > > > > Bob Hartung > > Wisco Industries, Inc. > > 736 Janesville St. > > Oregon, WI 53575 > > Tel: (608) 835-3106 x215 > > Fax: (608) 835-7399 > > e-mail: bhartung(at)wiscoind.com > > _____ > > > > > > > > From: Jay Dale [mailto:jay.d...@3-gig.com] > > To: NT System Admin Issues > [mailto:ntsysad...@lyris.sunbelt-software.com] > > Sent: Tue, 08 Jun 2010 08:17:07 -0500 > > Subject: RE: RE: SAN Solution > > > > > > Exactly what we use it for..:) > > > > > > > > Jay Dale > > > > I.T. Manager, 3GiG > > > > Mobile: 713.299.2541 > > > > Email: jay.d...@3-gig.com > > > > > > > > Confidentiality Notice: This e-mail, including any attached files, may > > contain confidential and/or privileged information for the sole use of > the > > intended recipient. If you are not the intended recipient, you are hereby > > notified that any review, dissemination or copying of this e-mail and > > attachments, if any, or the information contained herein, is strictly > > prohibited. If you are not the intended recipient (or authorized to > receive > > information for the intended recipient), please contact the sender by > reply > > e-mail and delete all copies of this message. > > > > > > > > > > > > From: Jonathan Link [mailto:jonathan.l...@gmail.com] > > Sent: Monday, June 07, 2010 8:07 PM > > To: NT System Admin Issues > > Subject: Re: RE: SAN Solution > > > > > > > > As I recall from the specs, it only supports one client...which would be > > good for backups, or a small single (physical) server environment. > > > > > > On Mon, Jun 7, 2010 at 8:52 PM, Jay Dale <jay.d...@3-gig.com> wrote: > > > > > > > > It works fine for just the backups, but we want something that not only > can > > hold the backups but also a data repo for the VM's as well as the user > data > > and image backups of laptops. > > > > > > > > Jay > > > > > > > > > > From: Andrew S. Baker [mailto:asbz...@gmail.com] > > Sent: Monday, June 07, 2010 5:22 PM > > > > > > > > To: NT System Admin Issues > > > > Subject: Re: RE: SAN Solution > > > > > > > > > > > > And what do you think of it? > > > > -ASB: http://XeeSM.com/AndrewBaker > > > > Sent from my Motorola Droid > > > > On Jun 7, 2010 4:51 PM, "Jay Dale" <jay.d...@3-gig.com> wrote: > > > > > > > > Ironically, we have a 2TB one of those right now holding the VM > Backups…J > > > > > > > > > > > > > > Jay Dale > > > > I.T. Manager, 3GiG > > > > Mobile: 713.299.2541 > > > > Email: jay.d...@3-gig.com > > > > > > > > Confidentiali... > > > > From: Andrew S. Baker [mailto:asbz...@gmail.com] > > Sent: Monday, June 07, 2010 3:49 PM > > > > > > To: NT System Admin Issues > > Subject: Re: SAN Solution > > > > > > > > > > > > Looks like something I would get for my home network... > > > > > > > > I like this one: > > > > http://www.drobos... > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
