iSCSI

iSCSI

[Harald Hoyer]

with the new iSCSI module I was able to do the block testcase over iSCSI
that means:

root filesystem on an encrypted LVM PV over ISCSI

I used:
"root=/dev/dracut/root rw 
iscsiroot=192.168.2.2::::iqn.2004-04.com.qnap:TS-439:iSCSI.test.8CCAFA ip=dhcp"

to create the encrypted LVM PV on a iscsi disk and boot from it.
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Re: iSCSI

[Harald Hoyer]

On 06/02/2009 01:25 PM, Harald Hoyer wrote:
> with the new iSCSI module I was able to do the block testcase over iSCSI
> that means:
>
> root filesystem on an encrypted LVM PV over ISCSI
>
> I used:
> "root=/dev/dracut/root rw
> iscsiroot=192.168.2.2::::iqn.2004-04.com.qnap:TS-439:iSCSI.test.8CCAFA
> ip=dhcp"
>
> to create the encrypted LVM PV on a iscsi disk and boot from it.
>

Oh, actually that was a LVM on an encrypted RAID-5 on a iSCSI disk..
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[ANNOUNCE] multipath-tools-0.4.0

[christophe varoqui]

Hello,

here goes multipath-tools-0.4.0

This is bugfix release.
An important checker file descriptor leak fix, and checker context
allocation size fix. 
Don't print unchanged maps anymore and display adaptative human friendly
map size units.


Full ChangeLog for the release :

        * [checkers] forgot to return back to caller the newly
          allocated context. Lead to fd leak notably.
        * [checkers] heavy check logic fix
        * [checkers] really malloc the checker context size,
          not the pointer size (stupidy may kill)
        * [multipathd] check more sysfs calls return values
        * [multipathd] search for sysfs mount point only once,
          not on each updatepaths() iteration
        * [multipathd] plug (char *) leak in the daemon
        * [multipath] change pgcmp logic : we want to reload a
          map only if a path is in computed map but not in cur
          map (ie accept to load a map if it brings more paths)
        * [multipath] undust coalesce_paths()
        * [multipath] don't print unchanged multipath
        * [multipath] store the action to take in the multipath
          struct
        * [multipath] print mp size with kB, MB, GB or TB units
        * [multipath] compilation fix for merge_words() (Andy)
        * [multipath] don't feed the kernel DM maps with paths of
          different sizes : DM fails and we end up with an empty
          map ... not fun
        * [multipath] cover a new corner case : path listed in
          status string but disappeared from sysfs
        * [multipath] remove the "-D" command line flag : now
          we can pass major:minor directly as last argument, like
          device names or device map names. Update multipathd
          accordingly.
        * [multipath] try reinstate again paths after a switchpg
        * [multipath] reinstate condition change :

As usual, doc and download at :
http://christophe.varoqui.free.fr/

regards,
-- 
christophe varoqui <christophe.varoqui@free.fr>




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ISCSI

[Guy]

I have a SCSI tape drive on my Linux system.  I want to use the tape drive
from another system with another (evil) OS.  I have found more than 1 source
forge project related to ISCSI.  These projects seem to only talk about disk
access (SAN), not tape access.  I can't determine which I should use, if
any.

Does anyone know which is best?
I have kernel 2.4.28, but would be willing to attempt an upgrade if needed.

Thanks,
Guy

Re: ISCSI

[Ming Zhang]

i suggest u to use UNH iSCSI + SCST. it provides a bypass mode which fit
you needs. IET will support a bypass interface later.

Ming

On Sun, 2004-12-12 at 13:08, Guy wrote:
> I have a SCSI tape drive on my Linux system.  I want to use the tape drive
> from another system with another (evil) OS.  I have found more than 1 source
> forge project related to ISCSI.  These projects seem to only talk about disk
> access (SAN), not tape access.  I can't determine which I should use, if
> any.
> 
> Does anyone know which is best?
> I have kernel 2.4.28, but would be willing to attempt an upgrade if needed.
> 
> Thanks,
> Guy
> 
> -
> To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

RE: ISCSI

[Guy]

As suggested, I am attempting to install UNH iSCSI, but having some
problems.

Readme says:
- The appropriate way to install this package is :
   1. mkdir <name> ; tar -zxf <tarball>
   2. cd <name>/unh_iscsi/src/
   3. ./Configure
   4. make rpm
   5. rpm -ivh  /usr/src/redhat/RPMS/i386/unh_iscsi-1.5-0X.i386.rpm

When I do "make rpm" I get this error:
tar cf /usr/src/redhat/SOURCES/unh_iscsi.tar  .
tar: /usr/src/redhat/SOURCES/unh_iscsi.tar: Cannot open: No such file or
directory
tar: Error is not recoverable: exiting now
make: *** [rpm] Error 2

Are there some prerequisites that are needed?
Or am I just doing something wrong.

Also, could you give me a link to SCST?  Or is this included in UNH iSCSI?

Thanks,
Guy


-----Original Message-----
From: Ming Zhang [mailto:mingz@ele.uri.edu] 
Sent: Sunday, December 12, 2004 1:55 PM
To: Guy
Cc: linux-scsi
Subject: Re: ISCSI

i suggest u to use UNH iSCSI + SCST. it provides a bypass mode which fit
you needs. IET will support a bypass interface later.

Ming

On Sun, 2004-12-12 at 13:08, Guy wrote:
> I have a SCSI tape drive on my Linux system.  I want to use the tape drive
> from another system with another (evil) OS.  I have found more than 1
source
> forge project related to ISCSI.  These projects seem to only talk about
disk
> access (SAN), not tape access.  I can't determine which I should use, if
> any.
> 
> Does anyone know which is best?
> I have kernel 2.4.28, but would be willing to attempt an upgrade if
needed.
> 
> Thanks,
> Guy
> 
> -
> To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

RE: ISCSI

[Ming Zhang]

for scst, go http://scst.sourceforge.net/

for questions about unh iscsi, pls go and ask at
http://sourceforge.net/forum/forum.php?forum_id=265256

ming

On Sun, 2004-12-12 at 16:07, Guy wrote:
> As suggested, I am attempting to install UNH iSCSI, but having some
> problems.
> 
> Readme says:
> - The appropriate way to install this package is :
>    1. mkdir <name> ; tar -zxf <tarball>
>    2. cd <name>/unh_iscsi/src/
>    3. ./Configure
>    4. make rpm
>    5. rpm -ivh  /usr/src/redhat/RPMS/i386/unh_iscsi-1.5-0X.i386.rpm
> 
> When I do "make rpm" I get this error:
> tar cf /usr/src/redhat/SOURCES/unh_iscsi.tar  .
> tar: /usr/src/redhat/SOURCES/unh_iscsi.tar: Cannot open: No such file or
> directory
> tar: Error is not recoverable: exiting now
> make: *** [rpm] Error 2
> 
> Are there some prerequisites that are needed?
> Or am I just doing something wrong.
> 
> Also, could you give me a link to SCST?  Or is this included in UNH iSCSI?
> 
> Thanks,
> Guy
> 
> 
> -----Original Message-----
> From: Ming Zhang [mailto:mingz@ele.uri.edu] 
> Sent: Sunday, December 12, 2004 1:55 PM
> To: Guy
> Cc: linux-scsi
> Subject: Re: ISCSI
> 
> i suggest u to use UNH iSCSI + SCST. it provides a bypass mode which fit
> you needs. IET will support a bypass interface later.
> 
> Ming
> 
> On Sun, 2004-12-12 at 13:08, Guy wrote:
> > I have a SCSI tape drive on my Linux system.  I want to use the tape drive
> > from another system with another (evil) OS.  I have found more than 1
> source
> > forge project related to ISCSI.  These projects seem to only talk about
> disk
> > access (SAN), not tape access.  I can't determine which I should use, if
> > any.
> > 
> > Does anyone know which is best?
> > I have kernel 2.4.28, but would be willing to attempt an upgrade if
> needed.
> > 
> > Thanks,
> > Guy
> > 
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at  http://vger.kernel.org/majordomo-info.html