Problem with function inside brackets. No Conveyance Self-test supported. IF this file exists, wipe it out. I have rebooted to no avail.for example:# mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/hdb1 /dev/hdc1mdadm: Cannot open /dev/hdb: Device or resource busymdadm: Cannot open /dev/hdc: Device or resource busymdadm: create aborted# fdisk
Mdadm Device Is Busy Skipping
disbeliever View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by disbeliever 07-21-2008, 08:21 AM #5 pruneau Member Registered: Jul 2008 Location: Montreal After playing around with different things it just kind of dawned on me, my onboard RAID controller might be interfering. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant.
What do I do? Mdadm Add Device Or Resource Busy As a short background, we use mdadm to create RAID-0 stripped devices for our Sugarcube analytics (OLAP) servers using Amazon EBS volumes. Edit: After another reboot the devices are back: $ ls /dev/sd* /dev/sda /dev/sda2 /dev/sda4 /dev/sdb1 /dev/sdb3 /dev/sdc /dev/sdc2 /dev/sda1 /dev/sda3 /dev/sdb /dev/sdb2 /dev/sdb4 /dev/sdc1 /dev/sdc5 But so is "Device or resource http://www.linuxquestions.org/questions/linux-server-73/mdadm-device-is-busy-yet-not-busy-656990/ If Selective self-test is pending on power-up, resume after 0 minute delay. [[email protected] ~]# man dmsetup [[email protected] ~]# dmsetup ls 1ATA_TOSHIBA_DT01ACA050_Y3H0YMMAS (253:0) 1ATA_TOSHIBA_DT01ACA050_Y3H0YMMASp3 (253:3) 1ATA_TOSHIBA_DT01ACA050_Y3H0YMMASp2 (253:2) 1ATA_TOSHIBA_DT01ACA050_Y3H0YMMASp1 (253:1) [[email protected] ~]# dmsetup
So, here are my notes! Mkfs.xfs Cannot Open /dev/sdb1 Device Or Resource Busy I'll try what the Wiki article suggests. –Jonik Jan 29 '10 at 8:17 add a comment| 3 Answers 3 active oldest votes up vote 5 down vote accepted Finally some progress! SCT capabilities: (0x003d) SCT Status supported. After hours of banging my head against the keyboard I finally came across your wonder blog and discovered why mdadm kept telling me that my seemingly unused SATA drives are "busy."
To check that a removal worked, useit should report an unreadable partition table.
says: 2010/03/15 at 1:38 am Thank you for the article.
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Mdadm Add Device Or Resource Busy
How do I deal with my current employer not respecting my decision to leave? Chris Lee says: 2012/03/22 at 5:13 pm Thanks, that did the trick, couldnt figure out why my raid stopped working after doing a fresh install. Mdadm Device Is Busy Skipping What is this line of counties voting for the Democratic party in the 2016 elections? Mdadm Create Cannot Open Device Or Resource Busy no more device busy. ‘mdadm -manage -add /dev/md# /dev/sdb# WORKEd at last….
Hi all, I have recently set up a new system to replace my old server. http://softwaredevelopercertification.com/cannot-open/ubuntu-11-10-cannot-open-root-device.php I thought it may have been an option to simply dd sda1 and sda2 over to sd[bcdefgh]1 and sd[bcdefgh]2 then create the arrays even with sda1 and sda 2 mounted, I Besides that, there are two traditional 500 GB hard drives, which have Windows 7 installed (I want to keep the Windows installation intact), and about half of the space unallocated. I raised it formally 7d ago https://t.co/9NY5suyKoD Reply Nov 30 12:00 @johnlewisretail bought a macbook pro 18 months ago and its developed a display problem ('mura'), how should i go about Cannot Open /dev/sdb Device Or Resource Busy
It just seams that the old information just keeps hanging somewhere. Mdadm Remove Array Read the post, checked the ‘FRAID' on the card (never used) and there was NO raid devices configured of ANY description. Before running mdadm --create, mdstat was clean: $ cat /proc/mdstat Personalities : [linear][multipath][raid0][raid1][raid6][raid5]
I posted details on how I got everything working in this answer.
config the grub.conf to start up the new initrd, go to /boot/grub/grub.conf, your files may be like this :default=0timeout=5splashimage=(hd0,0)/grub/splash.xpm.gzhiddenmenutitle CentOS (2.6.18-92.el5PAE without dmraid) <-new root (hd0,0) <-new kernel /vmlinuz-2.6.18-92.el5PAE If you must use FakeRAID, dmraid may be useful to you, if you want true Linux software RAID, you need mdadm. Error-messages like this will occur: mdadm: Cannot open /dev/sdb1: Device or resource busy". Man Mdadm Using the eval command twice Does Intel sell CPUs in ribbons?
You should be using raid5 or for an array of that size, raid6 so you can handle one or two disks failing. You have also made my evening. My machine required a reboot after removing dmraid and things started working. Check This Out also: [email protected]:~# mdadm --assemble --scan mdadm: No arrays found in config file or automatically and: [email protected]:~# mdadm --assemble --force /dev/md0 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 /dev/sdf1 /dev/sdg1 mdadm: forcing event count in
Never had the ‘Device Busy' before…. After that, and rebooting, the devices under /dev/mapper are gone (which is fine - I don't need to access the Windows NTFS partitions on Linux): $ ls /dev/mapper/ control And, most tnx, DB disbeliever View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by disbeliever 07-20-2008, 01:55 PM #2 pruneau Member Registered: Jul This will remove the dmraid modules and update your boot image to not include the dmraid software.