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[Discuss] Cloud-backup solutions for Linux?
- Subject: [Discuss] Cloud-backup solutions for Linux?
- From: richard.pieri at gmail.com (Rich Pieri)
- Date: Tue, 29 Sep 2015 11:49:35 -0400
- In-reply-to: <BLUPR04MB36994B769E5D9ACA0B0E7D7DC4E0@BLUPR04MB369.namprd04.prod.outlook.com>
- References: <25d28188.1ER.1lD.10.iPeowC@mailjet.com> <22022.45659.150670.461495@snorkack.blazemonger.com> <BLUPR04MB36961A07BEDF29D3AA5D0E6DC400@BLUPR04MB369.namprd04.prod.outlook.com> <CAJFsZ=qqOcvCb980hRX_mchtA4076oWs4ZemeCN9m8CRmHYTfA@mail.gmail.com> <BLUPR04MB36977A2FCE3457F4B0D5CF3DC4F0@BLUPR04MB369.namprd04.prod.outlook.com> <CAJFsZ=pUZzX81ynPVcG1b2yeSOh2Lo98PG_iC5MQCm=E3=2XuA@mail.gmail.com> <BLUPR04MB36994B769E5D9ACA0B0E7D7DC4E0@BLUPR04MB369.namprd04.prod.outlook.com>
On 9/29/2015 10:28 AM, Edward Ned Harvey (blu) wrote: > I haven't seen an OS, Filesystem, or a daemon, it at least 15 years, > that couldn't gracefully survive a power interruption. Except > ownCloud. ;-) I have. More than once. And had to clean up afterwards. More than once. > has these characteristics - even Mongo and Sqlite. I have > specifically verified this is correct with Sqlite. That's because Sqlite is transactional. Mongo isn't. Sudden power loss will leave a Mongo database in a corrupt state with a good chance of the data being irrecoverable. > As for the filesystem being in an "inconsistent" state after > interruption - That's what journaling is for. If you were in the > middle of a "rm" or "mv" operation or something like that, journaling > remembers it and correctly handles it after system restore - either > by completing the operation or by backing it out as if it never > happened. Automatically. If you are in the middle of committing a change or addition when making a snapshot then that change or addition disappears as if it never happened when that snapshot is restored. A backup system that loses live data is unacceptable. -- Rich P.
- References:
- [Discuss] Cloud-backup solutions for Linux?
- From: dbarrett at blazemonger.com (Daniel Barrett)
- [Discuss] Cloud-backup solutions for Linux?
- From: blu at nedharvey.com (Edward Ned Harvey (blu))
- [Discuss] Cloud-backup solutions for Linux?
- From: bogstad at pobox.com (Bill Bogstad)
- [Discuss] Cloud-backup solutions for Linux?
- From: blu at nedharvey.com (Edward Ned Harvey (blu))
- [Discuss] Cloud-backup solutions for Linux?
- From: bogstad at pobox.com (Bill Bogstad)
- [Discuss] Cloud-backup solutions for Linux?
- From: blu at nedharvey.com (Edward Ned Harvey (blu))
- [Discuss] Cloud-backup solutions for Linux?
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