Setup. . . 2 HBAs zoned with 2 Symm FAs. Do the devices need to be visible to the host on both FAs? So, would I have to create a copy of the devices to the...
Gretchen: Yes. ... / | | HV002-- | Switch | \ | | ... The same HV S/N is presented, zoned,...
SAbramson@...
Apr 2, 2004 2:05 pm
321
EMC_List: We had a vendor come in and make a presentation the other day. He introduced the topic of "core-edge" SAN topologies, which I had never heard of...
SAbramson@...
Apr 5, 2004 3:01 pm
322
Michael: thanks! Stuart Stuart Abramson | WABTEC Corp. | Wilmerding, PA Off: 412/825-1434 | Cell: 412/417-1567 | email: sabramson@... _____ From:...
SAbramson@...
Apr 5, 2004 5:05 pm
323
We use to run a config like this. We would have our staging environment and the secondary node of any cluster on the DS-16M's and our core infrastructre on a...
...I'm gone on a little R & R......I'll be returned Monday April 12, 2004. If you are experiencing a UNIX related issue, please call Ralph Burnette at...
Rita Workman
RWORKMAN@...
Apr 6, 2004 1:00 am
325
EMC_List: We have a Connectrix ED1032 (old) switch in our SAN. I manage it with ESN Manager 2.2. We just "acquired" a "new" DS-16B2 departmentatl switch. Can...
SAbramson@...
Apr 14, 2004 7:39 pm
326
All: Thanks, George. As George says below: "The DS-16B2 is definitely Brocade and the ED-1032 is definitely McData." McData's and Brocades can be "ISL-d", but...
SAbramson@...
Apr 15, 2004 1:05 pm
327
has anyone heard of any performance issues related to DMX-1000 raid7+1 and hp-ux 11.11 Volume Manager, This is how we found the performance issues. our DMX-100...
RD: I just did a similar test on my machine. I copied a 1 GB (cp file /dev/null) and timed it. HP N4000, HP-UX 11.0, emc 8430, 1Gbit/sec fibre cards: 1st...
SAbramson@...
Apr 22, 2004 1:02 pm
329
RD: You got me to thinking. I have been repeating the test, and can regularly get: 1st read: 1 GB / avg 2 minutes 2nd read: 1 GB / avg 8 seconds (with...
SAbramson@...
Apr 22, 2004 1:44 pm
330
Stuart you are absolutely correct about the first time reads and sequential reads also rais s (mirrored) being faster than raid 7+1. this is acceptable to me...
This is interesting to see this post because I have seen similar results (not as extreme but say 1 minute vs 10 seconds) on a DMX3000 using raid 3+1 (i.e....
Bodnar, George
gbodnar@...
Apr 23, 2004 11:42 am
332
Here is a brief synopsis of the problem. When we read sequentially a large file for the first time, the I/O speed is horrendous. Subsequent reads show great...
Convert your Symm from Raid 7+1 to Raid-1 mirrored. You will lose space, but gain speed. This may not be easy! Stuart Stuart Abramson | WABTEC Corp. |...
SAbramson@...
Apr 23, 2004 7:39 pm
334
Please remove me from this mailing list. I am NOT the intended recipient. rberg@... ... From: SAbramson@... [mailto:SAbramson@...] ...
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Hi EMC gurus, I have a Sunfire V240 with 2 Emulex FC cards connected to EMC Clariion CX600 and I have installed and working configuration of SUN-EMC-Veritas. I...
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Nabeel Ahmed
nnf97@...
Jun 5, 2004 12:35 pm
346
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Nabeel Ahmed
nnf97@...
Jun 5, 2004 12:38 pm
347
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