Displaying 20 results from an estimated 25 matches for "sdaa".
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sda
2010 Apr 29
1
How to estimate the residual SD for each sample separately in mixed-effects model?
...s
measured results is almost 1, with very small RMSE. However, I am not
interested in the estimates of the mean, but in SDs from the model.
I access the SDs using b<-VarCorr(c.lme). There:
- the 'attr(b$Assay, "stddev")' is the assay-to-assay SD component for
each sample (SDaa)
- the 'attr(b$Run, "stddev")' is the run-to-run component (SDrr)
- the 'attr(b, "sc")' i.e. the residual (SDres), would be the
within-run component, but it's a single number for all the samples.
* The problem:
- how to estimate the 'within-run...
2010 May 27
2
Multipathing with Sun 7310
...eports path is down" which gives me >40M/24h /var/log/messages garbage.
Any hints for a reasonable configuration? Unfortunately the Sun 7310 is
rather new, so almost nothing shows up on google... even less for
RHEL/CentOS :-(
regards from Berlin
Jens
[root at dev-db1 tmp]# multipath -ll
sdaa: checker msg is "readsector0 checker reports path is down"
sdab: checker msg is "readsector0 checker reports path is down"
sdac: checker msg is "readsector0 checker reports path is down"
sdad: checker msg is "readsector0 checker reports path is down"
sdd: che...
2017 Jul 14
0
[PATCH 05/27] daemon: Reimplement several devsparts APIs in OCaml.
...;
- b += blen + 1;
-
- /* Get device name part, that is, just 'a', 'ab' etc. */
- alen = strcspn (a, "0123456789");
- blen = strcspn (b, "0123456789");
-
- /* If device name part is longer, it is always greater, eg.
- * "/dev/sdz" < "/dev/sdaa".
- */
- if (alen != blen)
- return alen - blen;
-
- /* Device name parts are the same length, so do a regular compare. */
- r = strncmp (a, b, alen);
- if (r != 0)
- return r;
-
- /* Compare partitions numbers. */
- a += alen;
- b += alen;
-
- /* If no partition numbers, bail...
2012 Mar 30
10
[PATCH 0/4] block: move sd_format_disk_name() into block core as disk_name_format()
This patch series renames "sd_format_disk_name()" to
"disk_name_format()" and moves it into block core. So
that who needs formatting disk name can use it, instead
of duplicating these similar help functions.
Ren Mingxin (4):
block: add function disk_name_format() into block core
scsi: replace sd_format_disk_name() to disk_name_format()
block: replace
2012 Mar 30
10
[PATCH 0/4] block: move sd_format_disk_name() into block core as disk_name_format()
This patch series renames "sd_format_disk_name()" to
"disk_name_format()" and moves it into block core. So
that who needs formatting disk name can use it, instead
of duplicating these similar help functions.
Ren Mingxin (4):
block: add function disk_name_format() into block core
scsi: replace sd_format_disk_name() to disk_name_format()
block: replace
2010 Jun 03
2
Tracking down hangs
...s off
[ 41.027206] sd 25:0:0:0: [sdz] Mode Sense: 00 3a 00 00
[ 41.027239] sd 25:0:0:0: [sdz] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 41.027241] sdz: unknown partition table
[ 41.050772] sd 25:0:0:0: [sdz] Attached SCSI disk
[ 41.050772] sd 26:0:0:0: [sdaa] 976773168 512-byte hardware sectors (500108 MB)
[ 41.050772] sd 26:0:0:0: [sdaa] Write Protect is off
[ 41.050772] sd 26:0:0:0: [sdaa] Mode Sense: 00 3a 00 00
[ 41.050772] sd 26:0:0:0: [sdaa] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 41.050772] sd 26:0:0:...
2009 Sep 27
0
SUMMARY : multipath using defaults rather than multipath.conf contents for some devices (?) - why ?
...rio=50][active]
\_ 0:0:1:7 sdd 8:48 [active][ready]
\_ round-robin 0 [prio=10][enabled]
\_ 0:0:2:7 sdh 8:112 [active][ready]
.
.
[snip other HSV200 paths - all similar]
multipath -ll -v 3 includes explicit statements that defaults are being used for the HSV400
(long output snipped...)
sdaa: path checker = readsector0 (config file default)
versus
sda: path checker = tur (controller setting)
sdx: getprio = NULL (internal default)
versus
sdd: getprio = /sbin/mpath_prio_alua %n (controller setting)
- furthermore we see in the log file messages from both readsector0 *and* tur
rat...
2009 Sep 17
1
multipath using defaults rather than multipath.conf contents for some devices (?) - why ?
...rio=50][active]
\_ 0:0:1:7 sdd 8:48 [active][ready]
\_ round-robin 0 [prio=10][enabled]
\_ 0:0:2:7 sdh 8:112 [active][ready]
.
.
[snip other HSV200 paths - all similar]
multipath -ll -v 3 includes explicit statements that defaults are being used for the HSV400
(long output snipped...)
sdaa: path checker = readsector0 (config file default)
versus
sda: path checker = tur (controller setting)
sdx: getprio = NULL (internal default)
versus
sdd: getprio = /sbin/mpath_prio_alua %n (controller setting)
- furthermore we see in the log file messages from both readsector0 *and* tur
rath...
2011 Jul 14
5
really large file systems with centos
I've been asked for ideas on building a rather large archival storage
system for inhouse use, on the order of 100-400TB. Probably using CentOS
6. The existing system this would replace is using Solaris 10 and
ZFS, but I want to explore using Linux instead.
We have our own tomcat based archiving software that would run on this
storage server, along with NFS client and server. Its a
2012 Aug 10
1
virtio-scsi <-> vhost multi lun/adapter performance results with 3.6-rc0
...lename=/dev/sdk
filename=/dev/sdl
filename=/dev/sdm
filename=/dev/sdn
filename=/dev/sdo
filename=/dev/sdp
filename=/dev/sdq
filename=/dev/sdr
filename=/dev/sds
filename=/dev/sdt
filename=/dev/sdu
filename=/dev/sdv
filename=/dev/sdw
filename=/dev/sdx
filename=/dev/sdy
filename=/dev/sdz
filename=/dev/sdaa
filename=/dev/sdab
filename=/dev/sdac
filename=/dev/sdad
filename=/dev/sdae
filename=/dev/sdaf
filename=/dev/sdag
Guest lsscsi output:
[0:0:0:0] disk ATA QEMU HARDDISK 1.1. /dev/sda
[1:0:0:0] cd/dvd QEMU QEMU DVD-ROM 1.1. /dev/sr0
[2:0:0:0] disk LIO-ORG RAMDISK-...
2012 Aug 10
1
virtio-scsi <-> vhost multi lun/adapter performance results with 3.6-rc0
...lename=/dev/sdk
filename=/dev/sdl
filename=/dev/sdm
filename=/dev/sdn
filename=/dev/sdo
filename=/dev/sdp
filename=/dev/sdq
filename=/dev/sdr
filename=/dev/sds
filename=/dev/sdt
filename=/dev/sdu
filename=/dev/sdv
filename=/dev/sdw
filename=/dev/sdx
filename=/dev/sdy
filename=/dev/sdz
filename=/dev/sdaa
filename=/dev/sdab
filename=/dev/sdac
filename=/dev/sdad
filename=/dev/sdae
filename=/dev/sdaf
filename=/dev/sdag
Guest lsscsi output:
[0:0:0:0] disk ATA QEMU HARDDISK 1.1. /dev/sda
[1:0:0:0] cd/dvd QEMU QEMU DVD-ROM 1.1. /dev/sr0
[2:0:0:0] disk LIO-ORG RAMDISK-...
2017 Apr 20
1
[PATCH] tests: Replace test-max-disks with several tests.
...(i = 0; i < n; ++i)
+ fprintf (stderr, "\t%s\n", devices[i]);
+ exit (EXIT_FAILURE);
+ }
+
+ /* If the --just-add option was given, we're done. */
+ if (just_add)
+ return;
+
+ /* Check each device has the expected drive name, eg. /dev/sda,
+ * /dev/sdb, ..., /dev/sdaa, ...
+ */
+ for (i = 0; i < ndisks; ++i) {
+ char expected[64];
+
+ guestfs_int_drive_name (i, expected);
+ if (!STRSUFFIX (devices[i], expected)) {
+ fprintf (stderr,
+ "%s: incorrect device name at index %zu: "
+ "%s (expected suffix...
2017 Jun 03
12
[PATCH v2 00/12] Allow APIs to be implemented in OCaml.
Version 1 was here:
https://www.redhat.com/archives/libguestfs/2017-June/msg00003.html
This patch series reimplements a few more APIs in OCaml, including
some very important core APIs like ?list_filesystems? and ?mount?.
All the tests pass after this.
The selection of APIs that I have moved may look a little random, but
in fact they are all APIs consumed by the inspection code (and some
more
2017 Jun 05
19
[PATCH v3 00/19] Allow APIs to be implemented in OCaml.
v2 was here:
https://www.redhat.com/archives/libguestfs/2017-June/msg00008.html
This series gets as far as a working (and faster) reimplementation of
‘guestfs_list_filesystems’.
I also have another patch series on top of this one which reimplements
the inspection APIs inside the daemon, but that needs a bit more work
still, since inspection turns out to be a very large piece of code.
Rich.
2017 Jul 14
45
[PATCH 00/27] Reimplement many daemon APIs in OCaml.
Previously posted as part of the mega utilities/inspection
series here:
https://www.redhat.com/archives/libguestfs/2017-June/msg00232.html
What I've done is to extract just the parts related to rewriting
daemon APIs in OCaml, rebase them on top of the current master, fix a
few things, and recompile and test everything.
Rich.
2017 Jul 27
23
[PATCH v3 00/23] Reimplement many daemon APIs in OCaml.
I think this fixes everything mentioned:
- Added the Optgroups module as suggested.
- Remove command temporary files.
- Replace command ~flags with ?fold_stdout_on_stderr.
- Nest _with_mounted function.
- Rebase & retest.
Rich.
2009 Aug 26
26
Xen and I/O Intensive Loads
Hi, folks,
I''m attempting to run an e-mail server on Xen. The e-mail system is Novell GroupWise, and it serves about 250 users. The disk volume for the e-mail is on my SAN, and I''ve attached the FC LUN to my Xen host, then used the "phy:/dev..." method to forward the disk through to the domU. I''m running into an issue with high I/O wait on the box (~250%)
2017 Jul 21
27
[PATCH v2 00/23] Reimplement many daemon APIs in OCaml.
v1 was posted here:
https://www.redhat.com/archives/libguestfs/2017-July/msg00098.html
This series now depends on two small patches which I posted separately:
https://www.redhat.com/archives/libguestfs/2017-July/msg00207.html
https://www.redhat.com/archives/libguestfs/2017-July/msg00209.html
v1 -> v2:
- Previously changes to generator/daemon.ml were made incrementally
through the patch
2016 Feb 23
4
[PATCH v3 0/4] [FOR COMMENTS ONLY] Rework inspection.
Previously posted:
https://www.redhat.com/archives/libguestfs/2015-December/msg00038.html
Inspection now really succeeds on a small number of simple guests.
To test it out:
$ ./run guestfish -v -x -a /tmp/centos-6.img
><fs> run
><fs> debug sh "guestfs-inspection --verbose"
Rich.
2015 Dec 05
6
[PATCH 0/6 v2] [FOR COMMENTS ONLY] Rework inspection.
This is a more working version. Inspection (partially) succeeds on a
real guest this time :-)
You can test it out on a real guest (in this case, a CentOS disk image
located at /tmp/centos-6.img) by doing:
$ ./run guestfish -v -x -a /tmp/centos-6.img
><fs> run
><fs> debug sh "guestfs-inspection --verbose"
which will print lots of debugging, and at the end the