Re: [zfs-discuss] ZFS support for USB disks 120GB Western Digital

[Noel Dellofano]

We don't have a specific supported configuration method for usb  
devices for ZFS.  Most people are using them as mirrors or backups  
for their laptop data.  It's really up to you. There are a few  
threads from the discuss archives where people have discussed some  
different possible configs for usb storage or ways they've used it.   
One is here:

http://www.opensolaris.org/jive/thread.jspa?messageID=25144&#25144
where David Bustos also mentions Artem's blog as a go to.  Perhaps we  
also should add something to this effect in the FAQ....

Also, depending on how you intend to use the disk, a known issue is  
this:
6424510 usb ignores DKIOCFLUSHWRITECACHE



Noel

On Jul 18, 2006, at 11:53 PM, Stefan Parvu wrote:

Hey,

I have a portable harddisk Western Digital 120GB USB. Im running  
Nevada b42a on Thinkpad T43. Is this a supported configuration for  
setting up ZFS on portable disks ?

Found out some old blogs about this topic:
http://blogs.sun.com/roller/page/artem?entry=zfs_on_the_go and some  
other info under: http://www.sun.com/io_technologies/USB-Faq.html

Is this information still valid ? Under ZFS FAQ there is no mention  
of this topic, a good idea is to add a section about ZFS on mobile  
devices.

Thanks,
Stefan

# rmformat
Looking for devices...
     1. Volmgt Node: /vol/dev/aliases/cdrom0
        Logical Node: /dev/rdsk/c1t0d0s2
        Physical Node: /[EMAIL PROTECTED],0/[EMAIL PROTECTED],2/[EMAIL 
PROTECTED]/[EMAIL PROTECTED],0
        Connected Device: MATSHITA UJDA765 DVD/CDRW 1.70
        Device Type: DVD Reader
        Bus: IDE
        Size: <Unknown>
        Label: <Unknown>
        Access permissions: <Unknown>
     2. Volmgt Node: /vol/dev/aliases/rmdisk0
        Logical Node: /dev/rdsk/c2t0d0p0
        Physical Node: /[EMAIL PROTECTED],0/pci1014,[EMAIL PROTECTED],7/[EMAIL PROTECTED]/[EMAIL PROTECTED]/ 
[EMAIL PROTECTED],0
        Connected Device: WDC WD12 00VE-00KWT0      0000
        Device Type: Removable
        Bus: USB
        Size: 114.5 GB
        Label: <None>
        Access permissions: Medium is not write protected.


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