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тАО09-30-2005 12:03 AM
тАО09-30-2005 12:03 AM
How can i change Device Type from "Served Disk" to "Direct Access IO Disk "
I have a trucluster 5.1.b with 4 node and 2 eva5k for storage.
Some how, after bootting cluster, storages, and switches. cfsmgr was not able
to relocate disk on others members and the way thats drd acces the disk has
changed:
Example
drdmgr dsk53
View of Data from member esb as of 2005-02-24:14:24:56
Device Name: dsk53
Device Type: Served Disk <-----------
Device Status: OK
Number of Servers: 4
Server Name: esa
Server State: Not Server <----------
Server Name: esb
Server State: Server
Server Name: gsa
Server State: Not Server <----------
Server Name: gsb
Server State: Not Server <-----------
Access Member Name: esb
Open Partition Mask: 0x4 < c >
Statistics for Client Member: esa
Number of Read Operations: 444
Number of Write Operations: 30
Number of Bytes Read: 25313280
Number of Bytes Written: 245760
Statistics for Client Member: esb
Number of Read Operations: 855559
Number of Write Operations: 856453
Number of Bytes Read: 875323904
Number of Bytes Written: 851010560
Statistics for Client Member: gsa
Number of Read Operations: 459
Number of Write Operations: 30
Number of Bytes Read: 25314304
Number of Bytes Written: 245760
Statistics for Client Member: gsb
Number of Read Operations: 472
Number of Write Operations: 56
Number of Bytes Read: 25313280
Number of Bytes Written: 284672
Looking at drd on others similars cluster i see the following:
drdmgr dsk5
View of Data from member tru1200a as of 2005-02-24:14:24:26
Device Name: dsk5
Device Type: Direct Access IO Disk <---------
Device Status: OK
Number of Servers: 2
Server Name: tru1200a
Server State: Server
<---------
Server Name: tru1200b
Server State: Server
<---------
Access Member Name: tru1200a
Open Partition Mask: 0xc2 < b g h >
Statistics for Client Member: tru1200a
Number of Read Operations: 37647
Number of Write Operations: 1073982
Number of Bytes Read: 494854144
Number of Bytes Written: 9415024640
What is it happening?.
How can i change Device Type from "Served Disk" to "Direct Access IO Disk "
How can i change State Server from "Served Disk" to "Server"
Any help or insights appreciated.
Some how, after bootting cluster, storages, and switches. cfsmgr was not able
to relocate disk on others members and the way thats drd acces the disk has
changed:
Example
drdmgr dsk53
View of Data from member esb as of 2005-02-24:14:24:56
Device Name: dsk53
Device Type: Served Disk <-----------
Device Status: OK
Number of Servers: 4
Server Name: esa
Server State: Not Server <----------
Server Name: esb
Server State: Server
Server Name: gsa
Server State: Not Server <----------
Server Name: gsb
Server State: Not Server <-----------
Access Member Name: esb
Open Partition Mask: 0x4 < c >
Statistics for Client Member: esa
Number of Read Operations: 444
Number of Write Operations: 30
Number of Bytes Read: 25313280
Number of Bytes Written: 245760
Statistics for Client Member: esb
Number of Read Operations: 855559
Number of Write Operations: 856453
Number of Bytes Read: 875323904
Number of Bytes Written: 851010560
Statistics for Client Member: gsa
Number of Read Operations: 459
Number of Write Operations: 30
Number of Bytes Read: 25314304
Number of Bytes Written: 245760
Statistics for Client Member: gsb
Number of Read Operations: 472
Number of Write Operations: 56
Number of Bytes Read: 25313280
Number of Bytes Written: 284672
Looking at drd on others similars cluster i see the following:
drdmgr dsk5
View of Data from member tru1200a as of 2005-02-24:14:24:26
Device Name: dsk5
Device Type: Direct Access IO Disk <---------
Device Status: OK
Number of Servers: 2
Server Name: tru1200a
Server State: Server
<---------
Server Name: tru1200b
Server State: Server
<---------
Access Member Name: tru1200a
Open Partition Mask: 0xc2 < b g h >
Statistics for Client Member: tru1200a
Number of Read Operations: 37647
Number of Write Operations: 1073982
Number of Bytes Read: 494854144
Number of Bytes Written: 9415024640
What is it happening?.
How can i change Device Type from "Served Disk" to "Direct Access IO Disk "
How can i change State Server from "Served Disk" to "Server"
Any help or insights appreciated.
Tru64 from Korea
2 REPLIES 2
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тАО09-30-2005 12:38 AM
тАО09-30-2005 12:38 AM
Re: How can i change Device Type from "Served Disk" to "Direct Access IO Disk "
We had the same problem once, when our cluster interconnect failed. After we fix the interconnect problem, that problem persisted.
We openned a call in HP but they where unable to resolve the problem. It seems that there is a problem with the Fabric Reservation or cluster keys.
We verified that all paths to disks in all servers where ok. Also, if we relocate first the disk with drdmgr, the relocation was sucessfull (drdmgr -a SERVER).
The way that we solved the problem, after 1 week of troubleshooting, was to power off all devices, including storages. After that, the problem was solved (We think that was a problem in the storage, like FC reservations).
The problem was with an EVA5000.
We openned a call in HP but they where unable to resolve the problem. It seems that there is a problem with the Fabric Reservation or cluster keys.
We verified that all paths to disks in all servers where ok. Also, if we relocate first the disk with drdmgr, the relocation was sucessfull (drdmgr -a SERVER).
The way that we solved the problem, after 1 week of troubleshooting, was to power off all devices, including storages. After that, the problem was solved (We think that was a problem in the storage, like FC reservations).
The problem was with an EVA5000.
Por que hacerlo dificil si es posible hacerlo facil? - Why do it the hard way, when you can do it the easy way?
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тАО09-30-2005 12:54 PM
тАО09-30-2005 12:54 PM
Re: How can i change Device Type from "Served Disk" to "Direct Access IO Disk "
thanks your quick reply...
one more question.
I only use UFS filesyste type with disk which disk's Device Type is "Served Disk".
when I attempt to make Adanced Filesystem,
system is hanging...
any idea?
one more question.
I only use UFS filesyste type with disk which disk's Device Type is "Served Disk".
when I attempt to make Adanced Filesystem,
system is hanging...
any idea?
Tru64 from Korea
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