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тАО08-09-2004 12:47 PM
тАО08-09-2004 12:47 PM
Re: MSA 1000 reset and disabling write/read cache
I have seen funny things when zoning is not configured in a Heterogeneus Linux environment, specifically in a cluster environment.
You should be able to telnet into the switch from the built in nic or use the serial port. If you can post the configuration, it might be helpful.
If you need help getting into the switch, just let me/us know.
Steven
HP Master ASE, Storage, Servers, and Clustering
MCSE (NT 4.0, W2K, W2K3)
VCP (ESX2, Vi3, vSphere4, vSphere5, vSphere 6.x)
RHCE
NPP3 (Nutanix Platform Professional)
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тАО08-09-2004 12:51 PM
тАО08-09-2004 12:51 PM
Re: MSA 1000 reset and disabling write/read cache
I say this because I do not believe there is even Ethernet or serial access to it.
I'll check with the folks at the data center and see if there is any way we can get a LAN connection to it.
Thank you,
-Todd
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тАО08-09-2004 12:54 PM
тАО08-09-2004 12:54 PM
Re: MSA 1000 reset and disabling write/read cache
-Todd
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тАО08-09-2004 01:41 PM
тАО08-09-2004 01:41 PM
Re: MSA 1000 reset and disabling write/read cache
The login for the switch is...
user: admin
password: password
Once on the switch, you can see/set the IP using IPADDRSHOW/IPADDRSET.
You can also use a web browser to view the switch once you set the IP (or use the default). You will need the Java Runtime though. I suggest J2EE 1.4xxx
a couple of additional questions...
How old is the MSA?
How many ports are on the switch?
Do you have the second controller/switch for it? or is the MSA a single controller setup?
Steven
HP Master ASE, Storage, Servers, and Clustering
MCSE (NT 4.0, W2K, W2K3)
VCP (ESX2, Vi3, vSphere4, vSphere5, vSphere 6.x)
RHCE
NPP3 (Nutanix Platform Professional)
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тАО08-10-2004 06:49 AM
тАО08-10-2004 06:49 AM
Re: MSA 1000 reset and disabling write/read cache
I checked and there is an 8-port switch used in the middle - so the single controller port is connected to a SAN switch, not a 2/8 switch in the MSA itself.
I'm going to have a serial cable connected to the switch from one of the cluster nodes and should have the information available later today.
There is a redundant controller in the MSA, however, I was told that SecurePath did not work for this release of Linux (REL 3.0) and the HBA.
HP's document site does not have updated information with regard to configuring SecurePath for the MSA 1000 and this release of RedHat.
-Todd
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тАО08-10-2004 07:06 AM
тАО08-10-2004 07:06 AM
Re: MSA 1000 reset and disabling write/read cache
http://h18000.www1.hp.com/products/sanworks/softwaredrivers/multipathoptions/qlogicv70.html
Make sure you grab the 7.00.03 driver. One of my customers only looked for 'Red Hat' and installed the old one. System crashed on the first failover.
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тАО08-10-2004 10:15 AM
тАО08-10-2004 10:15 AM
Re: MSA 1000 reset and disabling write/read cache
Using 20 concurent I/O streams to each disk we performed random reads 1KB in size. We got around 10,000 I/Os per second.
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тАО08-10-2004 01:00 PM
тАО08-10-2004 01:00 PM
Re: MSA 1000 reset and disabling write/read cache
Kernel: 5.4
Fabric OS: v3.1.0
Made on: Thu May 1 12:32:20 PDT 2003
Flash: Thu May 1 12:33:13 PDT 2003
BootProm: Tue Oct 30 10:24:38 PST 2001
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тАО05-09-2005 07:09 AM
тАО05-09-2005 07:09 AM
Re: MSA 1000 reset and disabling write/read cache
You said you have done some performance testing with the MSA1000s.
What type of write speeds were you getting to Raid5 vs. ADG?
Thanks!
KT
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