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24 commits

Author SHA1 Message Date
karthic rao 5fe72cf205 Removing readAllMeta from xl-v1-healing.go and placing it in xl-v1-utils.go (#2296) 2016-07-26 11:34:48 -07:00
Harshavardhana 5d118141cd XL: Remove deadcode unionChecksumInfo. (#2261) 2016-07-21 19:07:00 -07:00
Harshavardhana cef26fd6ea XL: Refactor usage of reduceErrs and consistent behavior. (#2240) 
This refactor is also needed in lieu of our quorum
requirement change for the newly understood logic behind
klauspost/reedsolom implementation.
 2016-07-19 19:24:32 -07:00
Krishna Srinivas 8cc163e51a Refactor xl.GetObject and erasureReadFile. (#2211) 
* XL: Refactor xl.GetObject and erasureReadFile. erasureReadFile() responsible for just erasure coding, it takes ordered disks and checkSum slice.

* move getOrderedPartsMetadata and getOrderedDisks to xl-v1-utils.go

* Review fixes.
 2016-07-16 08:35:30 -07:00
Krishnan Parthasarathi 45240f158d xl: Make namespace locking granular for PutObject (#2199) 2016-07-13 11:56:25 -07:00
Harshavardhana dc3bafb194 XL: isQuorum rename as isDiskQuorum, word it properly. (#2196) 2016-07-13 00:29:48 -07:00
Krishnan Parthasarathi 0610527868 XL: PutObjectPart update checksum, re-read from xl.json for the part being written. (#2191) 2016-07-12 18:23:40 -07:00
Harshavardhana 623e0f9243 XL: listOnlineDisks should use modTime instead of version. (#2166) 
This change is needed to make reading from objects future proof
in-terms of handling online disks. Our current counter is not
based on affirmative knowledge and relies on arithmetic sequence
which can lead to bugs.

Using modTime simplifies the understanding of `xl.json` and future
tooling / debugging of the format.
 2016-07-12 15:20:31 -07:00
Krishnan Parthasarathi bc8720406d Added specific error for InvalidObjectName (#2157) 2016-07-09 17:11:08 -07:00
Krishna Srinivas ae80f8ca35 ObjectLayer/GetObject: Should return the right error value. Fix done in FS and XL. (#2133) 
fixes #2117
 2016-07-09 13:01:32 -07:00
frankw 63b3f1dcfd Use new algorithm to get fixed random order of disks (#2147) 2016-07-08 15:38:47 -07:00
Harshavardhana 42286cba70 XL: Implement new ReadAll API for files which are read in single call. (#1974) 
Add a unit test as well.
 2016-06-25 14:51:06 -07:00
Harshavardhana e8990e42c2 XL: Make allocations simpler avoid redundant allocs. (#1961) 
- Reduce 10MiB buffers for loopy calls to use 128KiB.
- start using 128KiB buffer where needed.
 2016-06-24 02:06:23 -07:00
Harshavardhana 8c0942bf0d XL: Remove usage of reduceErr and make it isQuorum verification. (#1909) 
Fixes #1908
 2016-06-18 00:27:51 +05:30
Harshavardhana fb95c1fad3 XL: Bring in some modularity into format verification and healing. (#1832) 2016-06-02 16:34:15 -07:00
Harshavardhana 445dc22118 XL: Cleanup and add more comments. (#1807) 2016-05-30 16:51:59 -07:00
Harshavardhana b2293c2bf4 XL: Rename, cleanup and add more comments. (#1769) 
- xl-v1-bucket.go - removes a whole bunch of code.
- {xl-v1,fs-v1}-metadata.go - add a lot of comments and rename functions
   appropriately.
 2016-05-28 15:15:53 -07:00
Harshavardhana 553fdb9211 XL: Bring in support for object versions written during writeQuorum. (#1762) 
Erasure is initialized as needed depending on the quorum and onlineDisks.
This way we can manage the quorum at the object layer.
 2016-05-28 15:15:53 -07:00
Harshavardhana 4e34e03dd4 xl/fs: Split object layer into interface. (#1415) 2016-04-29 14:24:10 -07:00
Harshavardhana a1a667ae5d xl: Change fileMetadata to xlMetadata. (#1404) 
Finalized backend format

```
{
    "version": "1.0.0",
    "stat": {
        "size": 24256,
        "modTime": "2016-04-28T00:11:37.843Z"
    },
    "erasure": {
        "data": 5,
        "parity": 5,
        "blockSize": 4194304
    ],
    "minio": {
        "release": "RELEASE.2016-04-28T00-09-47Z"
    }
}
```
 2016-04-28 19:27:02 -07:00
Krishna Srinivas 8c85815106 xl: refactor functions to xl-v1-common.go xl-v1-utils.go. (#1357) 2016-04-25 12:47:31 -07:00
Krishna Srinivas becc814531 Xl layer selfheal quorum2 
* xl/selfheal: selfheal based on read quorum on GET

* xl: getReadableDisks() also returns whether self-heal is needed so that this info can be used by ReadFile/SelfHeal/StatFile.

* xl: trigger selfheal from StatFile.
 2016-04-25 12:47:31 -07:00
Harshavardhana 9bd9441107 xl: Simplify reading metadata and add a new fileMetadata type. (#1346) 2016-04-25 12:47:31 -07:00
Krishna Srinivas 5c33b68318 xl: code refactor, cleanup ReadFile and CreateFile. 2016-04-25 12:47:31 -07:00