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Mirror    音标拼音: [m'ɪrɚ]
n. 镜子
vt. 反映,反射,借鉴

镜子反映,反射,借鉴

mirror
镜射;反射镜;镜;反射;反映 M

mirror


mirror
n 1: polished surface that forms images by reflecting light
2: a faithful depiction or reflection; "the best mirror is an
old friend"
v 1: reflect as if in a mirror; "The smallest pond at night
mirrors the firmament above"
2: reflect or resemble; "The plane crash in Milan mirrored the
attack in the World Trade Center"

Mirror \Mir"ror\, v. t. [imp. & p. p. {Mirrored}; p. pr. & vb.
n. {Mirroring}.]
1. To reflect, as in a mirror.
[1913 Webster]

2. To copy or duplicate; to mimic or imitate; as, the files
at Project Gutenberg were mirrored on several other ftp
sites around the world.
[PJC]

3. To have a close resemblance to; as, his opinions often
mirrored those of his wife.
[PJC]


Mirror \Mir"ror\, n. [OE. mirour, F. miroir, OF. also mireor,
fr. (assumed) LL. miratorium, fr. mirare to look at, L.
mirari to wonder. See {Marvel}, and cf. {Miracle},
{Mirador}.]
[1913 Webster]
1. A looking-glass or a speculum; any glass or polished
substance that forms images by the reflection of rays of
light.
[1913 Webster]

And in her hand she held a mirror bright,
Wherein her face she often view[`e]d fair.
--Spenser.
[1913 Webster]

2. That which gives a true representation, or in which a true
image may be seen; hence, a pattern; an exemplar.
[1913 Webster]

She is mirour of all courtesy. --Chaucer.
[1913 Webster]

O goddess, heavenly bright,
Mirror of grace and majesty divine. --Spenser.
[1913 Webster]

3. (Zool.) See {Speculum}.
[1913 Webster]

{Mirror carp} (Zool.), a domesticated variety of the carp,
having only three or fur rows of very large scales side.


{Mirror plate}.
(a) A flat glass mirror without a frame.
(b) Flat glass used for making mirrors.

{Mirror writing}, a manner or form of backward writing,
making manuscript resembling in slant and order of letters
the reflection of ordinary writing in a mirror. The
substitution of this manner of writing for the common
manner is a symptom of some kinds of nervous disease.
[1913 Webster]

151 Moby Thesaurus words for "mirror":
acme, act like, adumbrate, affect, antetype, antitype, ape,
apotheosis, appear like, approach, approximate, archetype, assume,
be like, be redolent of, bear resemblance, beau ideal, best type,
biotype, body forth, borrow, bring to mind, call to mind, call up,
cheval glass, chorus, classic, classic example, come close,
come near, compare with, concave mirror, convex mirror, copy,
correspond, counterfeit, crib, criterion, cynosure, demonstrate,
depict, distorting mirror, ditto, do, do like, echo, ego ideal,
emblematize, embody, epitome, epitomize, evoke, example, exemplar,
exemplify, fake, favor, figure, follow, foreshadow, forge,
fugleman, fugler, genotype, glass, go like, good example,
hand mirror, hero, hoke, hoke up, ideal, illustrate, image,
imitate, imitatee, impersonate, incarnate, lead, look like,
looking glass, make like, man of men, masterpiece, masterwork,
match, mimic, mirror image, model, near, nearly reproduce,
nonpareil, not tell apart, original, paradigm, paragon, parallel,
partake of, pattern, pattern of perfection, personate, personify,
picture, pier glass, plagiarize, precedent, prefigure, pretypify,
project, prototype, quintessence, realize, rear-view mirror,
reecho, reflect, reflection, reflector, remind one of, repeat,
replication, represent, representation, representative, reproduce,
reproduction, resemble, rule, savor of, seeing glass, seem like,
send back, shadow, shadow forth, shaving mirror, shining example,
simulate, smack of, sound like, speculum, stack up with, standard,
suggest, symbolize, take after, type, type species, type specimen,
typify, urtext, very model, window mirror

1. Writing duplicate data to more than one
device (usually two {hard disks}), in order to protect against
loss of data in the event of device failure. This technique
may be implemented in either hardware (sharing a {disk
controller} and cables) or in software. It is a common
feature of {RAID} systems.

Several {operating systems} support software disk mirroring or
{disk-duplexing}, e.g. {Novell NetWare}.

See also {Redundant Array of Independent Disks}.

Interestingly, when this technique is used with {magnetic
tape} storage systems, it is usually called "twinning".

A less expensive alternative, which only limits the amount of
data loss, is to make regular {backups} from a single disk to
{magnetic tape}.

2. {mirror site}.

(1998-06-11)



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  • mirror | TrueNAS Community
    2 drive mirror READ performance (no ARC) beats 2x2 mirror? I've got two volumes on the same FreeNAS 11 box that use HDDs for data storage: -- #1 is a 2 drive mirror using 5 year old WD Se 4 TB HDDs (WD Se was the predecessor to WD Red Pro) -- #2 is a 2x2 mirror (like a RAID10) using brand new WD Gold 10 TB HDDs Both are set up the same way with
  • Reword pool Extend to Attach a Mirror to be consistent . . . - TrueNAS
    In Truenas Scale (no idea how it’s on Core), if you want to convert a single disk pool to a mirrored pool, you use the “Extend” feature in “Devices” menu However, this wording is very confusing and even misleading to an extent Under the hood, the equivalent of this feature is the “zpool
  • troubleshooting mirror vdev wont expand | TrueNAS Community
    some history, the original pools were created piece meal over time, as I was migrating existing disks from my previous btrfs raid6 pools, to these scale mirror sets, some were created as single disks, then mirror added, then mirror vdevs added, over time, as I did the whole data shuffle between 2 systems
  • Mirroring the Boot Pool | TrueNAS Documentation Hub
    If the original operating system device fails and is detached, the boot mirror changes to consist of just the newer device and grows to whatever capacity it provides However, new devices added to this mirror must now be as large as the new capacity
  • drywall - Safely hang a mirror that does not have hooks - Home . . .
    I mounted a similar mirror to a wall by drilling symmetrically-spaced holes through the frame (about one per six inches of frame perimeter) and screwing the mirror directly to the drywall using appropriate-length black phosphate coarse thread drywall screws
  • Performance: RAIDz1 vs mirroring | TrueNAS Community
    For a personal computer (Unix) I have to decide between mirroring 2 SSDs or RAIDz1 3 SSDs After some reading, I found places that say mirroring is faster than RAIDz1 This doesn't make any sense to me Yes, RAIDz1 has to compute the parity info for the third disk But, CPU times (for
  • 3 Drive Configuration | TrueNAS Community
    It will work You can create a pool with only a single 3-way mirror and at a later date add another 3-way mirror to the very same pool The pool will then extend according to the size of that new mirror Such a pool will be and remain safe and stable It is not ideal because at first, all your data will be on your first mirror
  • How to set up 2-way and 3-way mirrors. | TrueNAS Community
    A "3-way" mirror would have three columns and two rows, and would consist of two mirrors, of three disks each, striped together If you wanted to keep the same level of redundancy, this would be correct But there's nothing inherent in ZFS that would keep you from striping a two-disk mirror with a pair of three-disk mirrors, or vice versa
  • [HOWTO]FreeNAS as a Ubuntu Debian patch server
    “apt-mirror” is a tool provided by linux community to mirror Debian Ubuntu archives This post focuses on ubuntu, but it should work with Debian,too What it does is downloading everything on the server that is related to your distro and store it at a local place
  • Mirror Pool Performance | TrueNAS Community
    I have the following set up with an drive mirror pool: 4X ST8000NM0055 drives 4X ST2000NM0033 drives All drives configured in a giant pool connected to the SAS controller I verified they are all registering at 6Gbps Started with 8X of the 2TB drives and I'm in the process of replacing them





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