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01-12-2008, 06:17 AM
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 Disksuite Problems I am having problems configuring Solaris disksuite 4.2.1 (ODS) with A5200 array on Solaris 8. Problems are given below. 1. The disks in A5200 have two channels and as far as I know Disksuite we can use only one channel at one time. In case the first channel fails, Disksuite will not failover to the second channel. Effectively what this means is that the second channel is not of any use in Disksuite i.e. we cannot use DMP ( Dynamic multi pathing ) with Disk suite. Is it possible to configure disksuite to use DMP ? 2. In VxVM we can put all the disks in one disk group and create RAID volumes as per our requirement. In disksuite we first need to create slices/partitions using format command on individual disks and then create RAID volumes off of it. What this means is that with ODS we are limited to the max slices/partitions which can be created using the format command. Since format has a limit of 7, we cannot create volumes greater than 7. If this is incorrect, do let me know the procedure to create one large RAID 5 volume via ODS and then create different slices off of it. Thanks, Kevin.      |
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01-12-2008, 06:17 AM
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| Re: Disksuite Problems On Tue, 3 Feb 2004, Kevin Joseph wrote: > I am having problems configuring Solaris disksuite 4.2.1 (ODS) with > A5200 array on Solaris 8. Problems are given below. 4.2.1 is SVM not ODS  (I know, I know)> 1. The disks in A5200 have two channels and as far as I know Disksuite > we can use only one channel at one time. In case the first channel > fails, Disksuite will not failover to the second channel. Effectively > what this means is that the second channel is not of any use in > Disksuite i.e. we cannot use DMP ( Dynamic multi pathing ) with Disk > suite. Is it possible to configure disksuite to use DMP ? No, DMP is a veritas product, Sun has mpxio for this, read up on it on sun document pages docs.sun.com. > 2. In VxVM we can put all the disks in one disk group and create RAID > volumes as per our requirement. In disksuite we first need to create > slices/partitions using format command on individual disks and then > create RAID volumes off of it. What this means is that with ODS we are > limited to the max slices/partitions which can be created using the > format command. Since format has a limit of 7, we cannot create > volumes greater than 7. If this is incorrect, do let me know the > procedure to create one large RAID 5 volume via ODS and then create > different slices off of it. Use soft partitioning, that can also be found on docs.sun.com I think. > Thanks, > Kevin. /Johan A |
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01-12-2008, 06:17 AM
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| Re: Disksuite Problems Thanks Johan - I think I have found the answer to soft partitioning via Disksuite 4.2.1. I think Sun has renamed MPxIO to StorEdge Traffic Manager but I am not sure if I am supposed to get that with A5200 Array. If anyone knows about this please let me know. Kevin. |
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