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10

Everything is already installed. The command to activate trim 1 time: sudo fstrim -v / It will take a while and then show the results. Example: sudo fstrim -v / [sudo] password for rinzwind: /: 93184647168 bytes were trimmed And it is setup by default to run once a week for -supported devices-: $locate fstrim /etc/cron.weekly/fstrim /sbin/fstrim ...


9

Claiming that 14.04 will enable trim by default is only 1/2 the story. Will the default options for TRIM be automatically compatible with the LVM and encryption layers of the standard ubuntu-system encryption? LVM is a container and is not a filesystem so this is not an issue. Articles worth reading: Blueprint SSDs need to be TRIMed, i. e. ...


4

I received some help on the linux-scsi list where it was suggested that for trim to work with LSI controllers, deterministic read after trim (read zero) is needed. I switched to the Samsung Pro SSD's. They do have deterministic read after trim and work correctly with LSI controllers. So mpt2sas does support TRIM when deterministic read after trim is ...


2

Try to make a new live CD. It could help to make a boot-Stick (maybe your cd-writer is not ok). What is the name of your laptop? Anyway 32-bit works everytime. You could try this. Your last chance would be a modified live-cd. Is it working after trying this even not, stay at 12.04.


1

The partitions on the SSD look like Intel's version of RAID/SSD caching technology. Whereas the partitions on the HDD look like a bunch of Windows/recovery/Ubuntu partitions. I'm considering a similar laptop and given what I've research what I would do is: Install Ubuntu normally telling it to take over the whole HDD Repartition the SSD to have a single ...


1

Disclaimer: I am not a Ubuntu expert! However, it looks like GParted might be what you are looking for according to this set-up guide: We're going to use GParted, the Linux-based uber-tool for all things hard drive. You could grab the Live CD if you felt like it, but since you've already downloaded an Ubuntu installer, you can simply boot a "live," ...


1

From blkid, you can see that the UUIDs have changed. Perhaps this occurred after you re-partitioned? For example, blkid shows /dev/sdb8: UUID="179768ad-16ec-4c94-b9a1-cf1d12736dbc" TYPE="swap" i.e. the swap partition is now 179768ad-16ec-4c94-b9a1-cf1d12736dbc. Make a backup, then change the relevant line in /etc/fstab from ...



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