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Nov
1
comment How to restore from truncated btrfs?
So switch back to the old enclosure? Apparently the new one can't handle more than 2 TB.
Oct
31
comment Can non-exact battery replacements destroy a laptop?
@LPChip, yes... and Wh = Ah * V. You are confusing that with W = A * V. The battery determines the Wh; the load determines the A. A 100 W light bulb can be powered by a 100 V battery that only holds 1 Ah, or a 100 V battery that holds 100 Ah; the only difference is the 100 Ah battery will last approximately 100x longer. Either way, the light bulb still draws 100 W ( or 1 A ).
Oct
30
comment Can non-exact battery replacements destroy a laptop?
@LPChip, and as I said, the laptop will draw the same exact wattage. Do not confuse wattage ( instantaneous power ) with watt-hours ( total energy over time ).
Oct
29
comment Why is USB Serial so fast in linux?
In other words: this particular serial interface simply ignores the "baud rate" since it isn't really a UART.
Oct
29
comment Can non-exact battery replacements destroy a laptop?
@LPChip, no... more Ah just means it will last longer. As long as the voltage is the same the laptop will still draw exactly the same power and not be any warmer or burn out. If it is less Ah, then it will last less time... it won't be a problem other than that unless it is significantly lower ( like half or less ).
Oct
29
comment Why does my 3TB external drive show as “unallocated” when installed internally?
More details are needed. A screen shot of whatever utility you are describing would help. Better yet would be the output of fdisk -l or parted -l from a linux live cd.
Oct
29
comment Does storage capacity affect hard drive performance?
@JourneymanGeek, do they now? In the past they both stepped up together ( since they share 100% of the PHY layer ) from 1.5 to 3 to 6 gbps... I wonder why the break now? Probably just so new that the new SATA standard introducing it just hasn't come out yet.
Oct
28
comment Does storage capacity affect hard drive performance?
SAS uses the same lower level transfer rates and encoding as SATA. The difference is in the structure of the command blocks. SAS uses SCSI commands instead of ATA commands, but this does not affect throughput. There is mostly a 1:1 correspondence between the two command sets, at least where it matters. Of course, SAS drives are much more expensive as they cater to the enterprise market, and so they tend to put a bit more effort into coaxing out every bit of performance possible. Unless you are using hardware raid enclosures and SANs though, you're not going to notice a difference.
Oct
28
comment Folder Size 18.7gb but Size on disk 1.33TB - why/how could this have happened? Synology DS212 NAS RAID
My only guess is that Windows is stupid. For the reasons you already mentioned, this just isn't possible. How much used/free space is reported on the volume as a whole? If that shows much less space used, I'd go with that.
Oct
24
comment Ubuntu disk space increase in an LVM group is not being reflected in the OS
@JakeGould, vgextend adds a new physical volume to the vg rather than changing the size of anything. It just tells LVM that it may also allocate space to logical volumes from this new physical volume ( typically a totally different disk ). Both lvextend and lvresize ( they do the same thing so I'm not sure why they are two different commands ) change way that space is allocated to a logical volume, possibly making it larger or smaller.
Oct
24
comment Ubuntu disk space increase in an LVM group is not being reflected in the OS
@JakeGould, LVM knew it was available to be assigned to a logical volume, but is not yet assigned to one. It is somewhat akin to growing the actual disk, but not yet growing the partition on the disk. One important difference is that conventional partition tables divide up the disk space into contiguous partitions, but LVM can divide up the space in a pv into non contiguous volumes, use it for keeping snapshots, or even combine non contiguous regions from different physical volumes into one logical volume.
Oct
24
comment Virtualization BIOS setting Windows 10
You said visualization, not virtualization
Oct
24
answered Ubuntu disk space increase in an LVM group is not being reflected in the OS
Oct
24
comment Ubuntu disk space increase in an LVM group is not being reflected in the OS
This answer is incorrect. First, you don't need to unmount an ext[234] filesystem to expand it, and second, the partition in question is not a filesystem at all, but an LVM physical volume.
Oct
24
comment Virtualization BIOS setting Windows 10
Umm... you mean "Virtualization"?
Oct
22
comment How does one recover from an internal Hard Drive I/O error?
"I'm getting IO errors" and "the drive is fine" are two irreconcilable facts. Check the drive SMART health status ( a linux livecd is helpful here ) and you will likely see that it indeed is NOT fine.
Oct
22
answered Restore Windows From Data Backup?
Oct
21
comment Why is the first BIOS instruction located at 0xFFFFFFF0 (“top” of RAM)?
@Luaan, PAE, yes... I'm talking specifically about the ability to use it on a 64 bit cpu to access more than 64 gb of ram. But yea, I guess it is really just a pointless curiosity since if you have a 64 bit cpu you should just be running in 64 bit mode.
Oct
20
comment Why is the first BIOS instruction located at 0xFFFFFFF0 (“top” of RAM)?
@JamieHanrahan, well I'll be a monkey's uncle... it certainly does appear to be possible now ( I assumed those bits that were "reserved" under 32 bit pae were reserved for flags rather than more address bits ), but I do still wonder if Windows can actually use this capability... it is known for some rather stupid things like limiting physical addresses to 0xFFFFFFFF even when the chipset remaps the 384 MB that is typically reserved for devices to above the 4 GB mark. Do you know if Windows will actually do this? I wouldn't be surprised if Linux did, but Windows is another story.
Oct
20
comment Properly Restore Data Backup from Windows 7 in Linux (Mint)
I'm pretty sure that if you want to restore a windows backup, you have to have the Windows backup tool, but since you mention that you can see they appear to be somewhat normal zip files that contain somewhat normal files, if you provided a more detailed description of what they contain there may be hope.