RAID tips on gentoo
1. RAID Tips If you failed to install gentoo in software RAID, below are the tips you might want to consider. Don’t modify the partition table on HDDs, unless the data is corrupted or the partition(s) broken. Boot from gentoo installation CD. Install the modules that necessary for RAID: #modprobe md #modprobe raidXX (XX refers [...]
I2o Tips
1. I2O tips Same as the RAID tips, in case u overwrite the MBR due to kernel insufficient or incompatible partition, but the data is still there the SCSI controller is fully functional. Boot from the latest gentoo installation CD using this option: gentoo doscsi dodevfs dolvm2 nox scandelay=20 Check whether the i2o is ready [...]
How to SFTP
You can use command line SFTP from your Unix account, or from your Mac OS X or Unix workstation. To start an SFTP session, at the command prompt, enter: sftp username@host For example, to connect to your dvader account on the host sithlord.org, you would enter: sftp admin@hikecn.com Enter your password when prompted. Some standard [...]
/lib folder gone on gentooo
This is how to fix it: just copy the /lib from gentoo cd or another gentoo machine. step: 473 mount -o remount,rw /boot/ 474 mount /dev/md0 /boot/ 475 ls /lib 476 mount -o remount,rw / 477 ls /lib 478 ln -sf /lib64 /lib 479 ls /lib 481 exit 482 eselect profile list 483 eselect profile [...]
how to create MDADM in Gentoo
mdadm –create /dev/md0 –level=1 –raid-devices=2 /dev/sd[ab]1 mdadm –create /dev/md1 –level=1 –raid-devices=2 /dev/sd[cd]1 mdadm –create /dev/md2 –level=10 –raid-devices=4 /dev/sd[abcd]3 mdadm –create /dev/md3 –level=1 –raid-devices=2 /dev/sd[ab]4 mdadm –create /dev/md4 –level=1 –raid-devices=2 /dev/sd[cd]4 if error: mdadm –remove –stop /dev/md1 mkfs.ext3 /dev/md0 mkfs.ext3 /dev/md1 mkfs.xfs /dev/md2 mkfs.xfs /dev/md3 mkfs.xfs /dev/md4 mount /dev/md1 /mnt/gentoo mkdir /mnt/gentoo mount /dev/md0 /mnt/gentoo/boot mkdir [...]
