- Community Home
- >
- Storage
- >
- Entry Storage Systems
- >
- Disk Enclosures
- >
- FC60 - upgrading all disks
Categories
Company
Local Language
Forums
Discussions
Forums
- Data Protection and Retention
- Entry Storage Systems
- Legacy
- Midrange and Enterprise Storage
- Storage Networking
- HPE Nimble Storage
Discussions
Discussions
Discussions
Forums
Forums
Discussions
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
- BladeSystem Infrastructure and Application Solutions
- Appliance Servers
- Alpha Servers
- BackOffice Products
- Internet Products
- HPE 9000 and HPE e3000 Servers
- Networking
- Netservers
- Secure OS Software for Linux
- Server Management (Insight Manager 7)
- Windows Server 2003
- Operating System - Tru64 Unix
- ProLiant Deployment and Provisioning
- Linux-Based Community / Regional
- Microsoft System Center Integration
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Community
Resources
Forums
Blogs
- Subscribe to RSS Feed
- Mark Topic as New
- Mark Topic as Read
- Float this Topic for Current User
- Bookmark
- Subscribe
- Printer Friendly Page
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО04-17-2002 05:23 AM
тАО04-17-2002 05:23 AM
FC60 - upgrading all disks
1. What segment size should we set? I see in the manual it suggests 64K - we currently have 8K seg size & a cache page size of 4K. Should I increase the segment size?
2. This is the steps I plan to execute to do the upgrade - is anything missing?
1. backups
2. umount, vgchange, vgexport vg's affected
3. unbind the luns
4. power down contoller & then sc10s
5. replace all disks
6. power up sc10's & then the controller
7. bind luns
8. insf -e
9. rebuild file systems
Thanks to all,
Marilyn
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО04-18-2002 03:14 AM
тАО04-18-2002 03:14 AM
Re: FC60 - upgrading all disks
I'd increase the segment size, but it really has to do with your data layout. If 64K is optimum, then bump it up.
Also, you need a step 10: Restore data :-))
live free or die
harry
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО04-18-2002 06:51 AM
тАО04-18-2002 06:51 AM
Re: FC60 - upgrading all disks
The segment size optimisation depends on the data you have. This is for performance issues more than anything else.
Your hard disk upgrade method and steps are good. You could also replace harddisks one at a time allowing for rebuild, but that would mean a week's time of rebuilding :-)
HTH,
Vince
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО04-18-2002 09:54 AM
тАО04-18-2002 09:54 AM
Re: FC60 - upgrading all disks
Sandip.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО04-18-2002 09:57 AM
тАО04-18-2002 09:57 AM
Re: FC60 - upgrading all disks
Sandip
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО04-18-2002 10:43 AM
тАО04-18-2002 10:43 AM
Re: FC60 - upgrading all disks
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО04-22-2002 05:07 AM
тАО04-22-2002 05:07 AM
Re: FC60 - upgrading all disks
Optimum performance is typically achieved when the segment size
matches the I/O size. In this case, only one disk is required to service an I/O, leaving the
remaining disk in the LUN available for other I/Os.
A large segment size provides good read performance in most RAID levels. The controller will
have to access fewer disks to retrieve the data, leaving the remaining drives available for other
I/O operations. Large segment sizes are typically useful for applications that require high I/O
throughput.
A small logical unit segment size is useful for most RAID 5 write applications, because the
controller firmware is capable of performing group writes (writing of data simultaneously to
multiple disks, while calculating the parity for the stripe, as opposed to the single-threaded read-modify-
write). Small segment sizes are typically useful for applications that require large
numbers of small I/Os to be processed quickly.