search for: harding

Displaying 20 results from an estimated 27149 matches for "harding".

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2011 Jun 02
aucRoc in caret package [SEC=UNCLASSIFIED]
Hi all, I used the following code and data to get auc values for two sets of predictions: library(caret) > table(predicted1, trainy) trainy hard soft 1 27 0 2 11 99 > aucRoc(roc(predicted1, trainy)) [1] 0.5 > table(predicted2, trainy) trainy hard soft 1 27 2 2 11 97 > aucRoc(roc(predicted2, trainy)) [1] 0.8451621 predicted1: 1 1 2
2012 Oct 18
Linux Software RAID 1 - Unequal Sized Hard Disks
Has anyone created or rebuilt a Linux Software RAID having mirrored partitions on unequal sized hard disks ? There is a CentOS 5 server having two 400 GB hard disks with five mirrored partitions (software RAID 1) and one of the hard disks is dying. Since new 400 GB HDDs are not available here, we are exploring the possibility of replacing the faulty hard disk with one of a higher capacity (500 GB
2010 Nov 24
hard links across snapshots/subvolumes are actually a bad idea.
I''ve been thinking about this for a while, from a perspective of how to make it work by allocating i-node numbers from a global pool, but yesterday I realized that offering the feature would be a bad idea because it violates the semantics of file systems. I will be happy to expand on that point if anyone disagrees with it. dln -- "It is merely a matter of persistence." --
2012 Mar 25
link(2) EMLINK error behavior with --link-dest and --hard-links
Hi, I'm having a problem using --link-dest and --hard-links when the fs hits the hard link limit (link(2) returns EMLINK). Using rsync 3.0.7 an error is thrown and the target file is not created. Glancing at git head it _looks_ like things could now be a little nicer. Perhaps the target file is copied instead of hard linked when hardlinking fails -- I've not tested it. Anyway, the
2003 Apr 28
OT: Avoiding harddisk failure due to mobility
Hi All, I need some advice on finding a solution to this problem . I have a hard disk mounted on a mobile robot. I am using ext3 fs. The hard disk is subjected to several bumps as the robot travels. I am experiencing frequent hard disk failure ( about once a month). I have thought about 2 different solutions to this problem. I would appreciate any tips on evaluating them 1) Use Compact Flash
2016 Dec 21
syslinux mkisofs hard-disk-boot isohybrid
hello every body, I'm trying to build an isohybrid image based on syslinux able to boot on bios and uefi with optical disk or usb key. I've build a 16Mb hard disk image (core.img) with necessary parts for bios (legacy bootable partition, protective mbr, gptmbr.bin & syslinux installation) and for uefi (gpt, esp, /efi/boot/bootx64.efi & syslinux files). my hard disk
2008 Feb 12
Question on failing hard drives
In my Cent OS machine, I have 3 hard drives, an 80, and two 200gig hard drives. One of the drives is obviously starting to fail, but I'm not sure which one. Is there a command line command in Linux that will check the drive integrity on all the hard drives and tell me which one is going bad? Thanks Jim
2007 Jul 17
RAID hard drive serial numbers?
smartctl, hdparm, and sdparm all are valuable tools to obtain hard drive info. But, they don't seem to work, at least, on obtaining hard drive info from drives on a Dell PERC controller. Instead, I'm given basic PERC controller info, not drive info. Is there a tool to let me get the hard drive make/model/serial numbers from a hardware RAID setup? Thanks. Scott
2010 Jun 12
Booting from a USB hard drive?
I'm trying to learn Asterisk (specifically Trixbox) and, as you probably know, it runs on CentOS. I want to run it on my laptop and thought that I could install it to an external USB hard drive, like I've done with Fedora 12 and Linux Mint 8 (I like to keep my small CentOS/Windows dual booting hard drive in the laptop's hard drive slot). But it won't work. It kept giving me
2007 Jun 29
Retrive data from repartitioned / reformatted hard drive?
Hi, The title says it all. One of my clients showed me a 120 GB hard drive that his daughter accidentally formatted, according to him. I booted the first CD I had at hand - a Slackware 11.0 install CD - and launched cdfdisk /dev/hda. cfdisk informed me that there was even no partition table. So much for reformatting. cfdisk only shows me 120 GB of free space. Any way to retrive data
2009 Mar 30
[PATCH 0/3] v2: mbr: Ctrl-key press forces load from first hard disk
Version 2 of these patches includes optimisations suggested by H Peter Alvin to save bytes: * Use memory-mapped I/O register to read keyboard shift flags * Don't reload DX from memory; move immediate byte to register Tested using mbr.bin. TJ (3): mbr: Ctrl-key press forces load from first hard disk gptmbr: Ctrl-key press forces load from first hard disk isohdpfx: Ctrl-key
2008 May 04
win98 on a second hard drive
Is it possible to configure syslinux.cfg on a floppy to start Win98 on a secondary hard drive? If so, how is this done? Currently I have Linux and Win98 on the primary hard drive, and when I attempt to use the floppy to start Win98 on the second hard drive, I simply start Win98 on the first drive. I have tried many different approaches, all to no avail, and I would really appreciate some
2019 Mar 12
Centos installer not detecting hard drive
Hi, I have a new labtop and i want to install CentOS 7.6 on it. My labtop has two hard drives : - A 256Go SSD - A standard 1 To hard drive None of the two hard drives are detected by the Centos installer consequently i can't proceed with the installation. If i try with a Fedora server distro, then the standard hard drive is detected, the SSD one is still not detected. I do prefer to install
2015 Nov 09
Rsync and differential Backups
Gordon Messmer wrote: > On 11/09/2015 09:59 AM, John R Pierce wrote: >> On 11/9/2015 9:50 AM, Gordon Messmer wrote: >>> I don't see the distinction you're making. >> >> a incremental backup copies everything since the last incremental >> a differential copies everything since the last full. > > I guess that makes sense, but in
2006 Jul 07
rsync: failed to hard-link error message
Dear Rsync, I am seeing the following rsync error messages and I am wondering if it is a sign of trouble, expected behavior, or a bug: rsync: failed to hard-link /Volumes/backups/vanguard/backup.0/dev/agpgart with dev/agpgart: Invalid argument (22) rsync: failed to hard-link /Volumes/backups/vanguard/backup.0/dev/apm_bios with
2007 Apr 24
Problem opening connections to removable hard drive
Hi, I have my files and R session on a portable hard drive to be able to work across computers since I have some extremely large files. I have just started doing this and generally it works as I expect. But after a while of using my R session, certain types of calls to open connections on the hard drive don't work. But I experience no problems opening/saving files on the portable
2012 Apr 17
SSD as system drive - partitioning question
I mentioned here the other day that I was planning to set up a Centos 6 system using a SSD for the system drive and a regular hard drive for a data drive. My plan is to have everything that doesn't change (much) on the SSD, such as /boot, /lib, /bin and so on. I want to put /tmp and /var and /home on the regular hard drive. Now that I'm at the stage of actually
2011 May 26
[PATCH 0/4] ocfs2: bugfix for hard readonly mount
Hi, All, These four patches are all related to ocfs2 on hard readonly mount. patch 1 fix oops when umount ocfs2 on hard readonly device. Because ocfs2_dismount_volume() will call ocfs2_cluster_hangup() and then call ocfs2_stack_driver_put(), will hit BUG_ON(active_stack == NULL). patch 2 fix oops when do ls or cat in ocfs2 on hard readonly device. Because ocfs2_open_lock() will call
2008 Jan 24
Protection for removable hard drive
My apologies if this is a bit off topic... I am going to start doing backups to removable hard drives and I will need to send these hard drives to an off-site storage facility. I am looking for some way to protect the drives after I pull them out of the system. I was hoping to find some kind of clamshell enclosure similar to what is used with external hard drives, but so far I haven't found
2002 Jan 29
syslinux and PQMAGIC incompatibility
Hi, "Mircea Popescu" <nufarul.alb at> schrieb am 29.01.02: > I have this problem: > I've partitioned my hard drive with PQMagic 7 in the following way: > hda1 - fat32 > hda2 - ext2 > hda3 - fat16 > hda4 - extended > hda5 - Linux Swap > hda6 - fat32 > hda7 - ext2 > hda8 - fat32 > > I've put syslinux on